20538919440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:472

約数の個数: 640

約数和(自身を含む): 81069811200

約数和(自身を除く): 60530891760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 27, 30, 36, 38, 39, 40, 45, 48, 52, 54, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 108, 114, 117, 120, 130, 135, 137, 144, 152, 156, 171, 180, 190, 195, 208, 216, 228, 234, 240, 247, 260, 270, 274, 281, 285, 304, 312, 342, 351, 360, 380, 390, 411, 432, 456, 468, 494, 513, 520, 540, 548, 562, 570, 585, 624, 684, 685, 702, 720, 741, 760, 780, 822, 843, 855, 912, 936, 988, 1026, 1040, 1080, 1096, 1124, 1140, 1170, 1233, 1235, 1368, 1370, 1404, 1405, 1482, 1520, 1560, 1644, 1686, 1710, 1755, 1781, 1872, 1976, 2052, 2055, 2160, 2192, 2223, 2248, 2280, 2340, 2466, 2470, 2529, 2565, 2603, 2736, 2740, 2808, 2810, 2964, 3120, 3288, 3372, 3420, 3510, 3562, 3653, 3699, 3705, 3952, 4104, 4110, 4215, 4446, 4496, 4560, 4680, 4932, 4940, 5058, 5130, 5206, 5339, 5343, 5480, 5616, 5620, 5928, 6165, 6576, 6669, 6744, 6840, 7020, 7124, 7306, 7398, 7410, 7587, 7809, 8208, 8220, 8430, 8892, 8905, 9360, 9864, 9880, 10116, 10260, 10412, 10678, 10686, 10959, 10960, 11115, 11240, 11856, 12330, 12645, 13015, 13338, 13488, 13680, 14040, 14248, 14612, 14796, 14820, 15174, 15618, 16017, 16029, 16440, 16860, 17784, 17810, 18265, 18495, 19728, 19760, 20232, 20520, 20824, 21356, 21372, 21918, 22230, 22480, 23427, 24660, 25290, 26030, 26676, 26695, 26715, 28080, 28496, 29224, 29592, 29640, 30348, 31236, 32034, 32058, 32877, 32880, 33345, 33720, 33839, 35568, 35620, 36530, 36990, 37935, 38497, 39045, 40464, 41040, 41648, 42712, 42744, 43836, 44460, 46854, 48051, 48087, 49320, 50580, 52060, 53352, 53390, 53430, 54795, 58448, 59184, 59280, 60696, 62472, 64068, 64116, 65754, 66690, 67440, 67678, 69407, 70281, 71240, 73060, 73980, 75870, 76994, 78090, 80085, 80145, 85424, 85488, 87672, 88920, 93708, 96102, 96174, 98631, 98640, 101160, 101517, 104120, 106704, 106780, 106860, 109590, 115491, 117135, 121392, 124944, 128136, 128232, 131508, 133380, 135356, 138814, 140562, 142480, 144153, 146120, 147960, 151740, 153988, 156180, 160170, 160290, 164385, 169195, 175344, 177840, 187416, 192204, 192348, 192485, 197262, 202320, 203034, 208221, 208240, 213560, 213720, 219180, 230982, 234270, 240255, 240435, 256272, 256464, 263016, 266760, 270712, 277628, 281124, 288306, 292240, 295920, 303480, 304551, 307976, 312360, 320340, 320580, 328770, 338390, 346473, 347035, 351405, 374832, 384408, 384696, 384970, 394524, 406068, 416442, 427120, 427440, 438360, 461964, 468540, 480510, 480870, 493155, 500461, 507585, 526032, 533520, 541424, 555256, 562248, 576612, 577455, 606960, 609102, 615952, 624663, 624720, 640680, 641160, 657540, 676780, 692946, 694070, 702810, 720765, 731443, 768816, 769392, 769940, 789048, 812136, 832884, 876720, 913653, 923928, 937080, 961020, 961740, 986310, 1000922, 1015170, 1039419, 1041105, 1110512, 1124496, 1153224, 1154910, 1218204, 1249326, 1281360, 1282320, 1315080, 1353560, 1385892, 1388140, 1405620, 1441530, 1462886, 1501383, 1522755, 1539880, 1578096, 1624272, 1665768, 1732365, 1827306, 1847856, 1873989, 1874160, 1922040, 1923480, 1972620, 2001844, 2030340, 2078838, 2082210, 2194329, 2306448, 2309820, 2436408, 2498652, 2502305, 2630160, 2707120, 2771784, 2776280, 2811240, 2883060, 2925772, 3002766, 3045510, 3079760, 3123315, 3331536, 3464730, 3654612, 3657215, 3747978, 3844080, 3846960, 3945240, 4003688, 4060680, 4157676, 4164420, 4388658, 4504149, 4568265, 4619640, 4872816, 4997304, 5004610, 5197095, 5543568, 5552560, 5622480, 5766120, 5851544, 6005532, 6091020, 6246630, 6582987, 6929460, 7309224, 7314430, 7495956, 7506915, 7890480, 8007376, 8121360, 8315352, 8328840, 8777316, 9008298, 9136530, 9239280, 9369945, 9508759, 9994608, 10009220, 10394190, 10971645, 11532240, 11703088, 12011064, 12182040, 12493260, 13165974, 13512447, 13858920, 14618448, 14628860, 14991912, 15013830, 16630704, 16657680, 17554632, 18016596, 18273060, 18739890, 19017518, 19748961, 20018440, 20788380, 21943290, 22520745, 24022128, 24364080, 24986520, 26331948, 27024894, 27717840, 28526277, 29257720, 29983824, 30027660, 32914935, 35109264, 36033192, 36546120, 37479780, 38035036, 39497922, 40036880, 41576760, 43886580, 45041490, 47543795, 49973040, 52663896, 54049788, 57052554, 58515440, 60055320, 65829870, 67562235, 72066384, 73092240, 74959560, 76070072, 78995844, 83153520, 85578831, 87773160, 90082980, 95087590, 98744805, 105327792, 108099576, 114105108, 120110640, 131659740, 135124470, 142631385, 149919120, 152140144, 157991688, 171157662, 175546320, 180165960, 190175180, 197489610, 216199152, 228210216, 256736493, 263319480, 270248940, 285262770, 315983376, 342315324, 360331920, 380350360, 394979220, 427894155, 456420432, 513472986, 526638960, 540497880, 570525540, 684630648, 760700720, 789958440, 855788310, 1026945972, 1080995760, 1141051080, 1283682465, 1369261296, 1579916880, 1711576620, 2053891944, 2282102160, 2567364930, 3423153240, 4107783888, 5134729860, 6846306480, 10269459720, 20538919440]

約数ペア:

[(1, 20538919440), (2, 10269459720), (3, 6846306480), (4, 5134729860), (5, 4107783888), (6, 3423153240), (8, 2567364930), (9, 2282102160), (10, 2053891944), (12, 1711576620), (13, 1579916880), (15, 1369261296), (16, 1283682465), (18, 1141051080), (19, 1080995760), (20, 1026945972), (24, 855788310), (26, 789958440), (27, 760700720), (30, 684630648), (36, 570525540), (38, 540497880), (39, 526638960), (40, 513472986), (45, 456420432), (48, 427894155), (52, 394979220), (54, 380350360), (57, 360331920), (60, 342315324), (65, 315983376), (72, 285262770), (76, 270248940), (78, 263319480), (80, 256736493), (90, 228210216), (95, 216199152), (104, 197489610), (108, 190175180), (114, 180165960), (117, 175546320), (120, 171157662), (130, 157991688), (135, 152140144), (137, 149919120), (144, 142631385), (152, 135124470), (156, 131659740), (171, 120110640), (180, 114105108), (190, 108099576), (195, 105327792), (208, 98744805), (216, 95087590), (228, 90082980), (234, 87773160), (240, 85578831), (247, 83153520), (260, 78995844), (270, 76070072), (274, 74959560), (281, 73092240), (285, 72066384), (304, 67562235), (312, 65829870), (342, 60055320), (351, 58515440), (360, 57052554), (380, 54049788), (390, 52663896), (411, 49973040), (432, 47543795), (456, 45041490), (468, 43886580), (494, 41576760), (513, 40036880), (520, 39497922), (540, 38035036), (548, 37479780), (562, 36546120), (570, 36033192), (585, 35109264), (624, 32914935), (684, 30027660), (685, 29983824), (702, 29257720), (720, 28526277), (741, 27717840), (760, 27024894), (780, 26331948), (822, 24986520), (843, 24364080), (855, 24022128), (912, 22520745), (936, 21943290), (988, 20788380), (1026, 20018440), (1040, 19748961), (1080, 19017518), (1096, 18739890), (1124, 18273060), (1140, 18016596), (1170, 17554632), (1233, 16657680), (1235, 16630704), (1368, 15013830), (1370, 14991912), (1404, 14628860), (1405, 14618448), (1482, 13858920), (1520, 13512447), (1560, 13165974), (1644, 12493260), (1686, 12182040), (1710, 12011064), (1755, 11703088), (1781, 11532240), (1872, 10971645), (1976, 10394190), (2052, 10009220), (2055, 9994608), (2160, 9508759), (2192, 9369945), (2223, 9239280), (2248, 9136530), (2280, 9008298), (2340, 8777316), (2466, 8328840), (2470, 8315352), (2529, 8121360), (2565, 8007376), (2603, 7890480), (2736, 7506915), (2740, 7495956), (2808, 7314430), (2810, 7309224), (2964, 6929460), (3120, 6582987), (3288, 6246630), (3372, 6091020), (3420, 6005532), (3510, 5851544), (3562, 5766120), (3653, 5622480), (3699, 5552560), (3705, 5543568), (3952, 5197095), (4104, 5004610), (4110, 4997304), (4215, 4872816), (4446, 4619640), (4496, 4568265), (4560, 4504149), (4680, 4388658), (4932, 4164420), (4940, 4157676), (5058, 4060680), (5130, 4003688), (5206, 3945240), (5339, 3846960), (5343, 3844080), (5480, 3747978), (5616, 3657215), (5620, 3654612), (5928, 3464730), (6165, 3331536), (6576, 3123315), (6669, 3079760), (6744, 3045510), (6840, 3002766), (7020, 2925772), (7124, 2883060), (7306, 2811240), (7398, 2776280), (7410, 2771784), (7587, 2707120), (7809, 2630160), (8208, 2502305), (8220, 2498652), (8430, 2436408), (8892, 2309820), (8905, 2306448), (9360, 2194329), (9864, 2082210), (9880, 2078838), (10116, 2030340), (10260, 2001844), (10412, 1972620), (10678, 1923480), (10686, 1922040), (10959, 1874160), (10960, 1873989), (11115, 1847856), (11240, 1827306), (11856, 1732365), (12330, 1665768), (12645, 1624272), (13015, 1578096), (13338, 1539880), (13488, 1522755), (13680, 1501383), (14040, 1462886), (14248, 1441530), (14612, 1405620), (14796, 1388140), (14820, 1385892), (15174, 1353560), (15618, 1315080), (16017, 1282320), (16029, 1281360), (16440, 1249326), (16860, 1218204), (17784, 1154910), (17810, 1153224), (18265, 1124496), (18495, 1110512), (19728, 1041105), (19760, 1039419), (20232, 1015170), (20520, 1000922), (20824, 986310), (21356, 961740), (21372, 961020), (21918, 937080), (22230, 923928), (22480, 913653), (23427, 876720), (24660, 832884), (25290, 812136), (26030, 789048), (26676, 769940), (26695, 769392), (26715, 768816), (28080, 731443), (28496, 720765), (29224, 702810), (29592, 694070), (29640, 692946), (30348, 676780), (31236, 657540), (32034, 641160), (32058, 640680), (32877, 624720), (32880, 624663), (33345, 615952), (33720, 609102), (33839, 606960), (35568, 577455), (35620, 576612), (36530, 562248), (36990, 555256), (37935, 541424), (38497, 533520), (39045, 526032), (40464, 507585), (41040, 500461), (41648, 493155), (42712, 480870), (42744, 480510), (43836, 468540), (44460, 461964), (46854, 438360), (48051, 427440), (48087, 427120), (49320, 416442), (50580, 406068), (52060, 394524), (53352, 384970), (53390, 384696), (53430, 384408), (54795, 374832), (58448, 351405), (59184, 347035), (59280, 346473), (60696, 338390), (62472, 328770), (64068, 320580), (64116, 320340), (65754, 312360), (66690, 307976), (67440, 304551), (67678, 303480), (69407, 295920), (70281, 292240), (71240, 288306), (73060, 281124), (73980, 277628), (75870, 270712), (76994, 266760), (78090, 263016), (80085, 256464), (80145, 256272), (85424, 240435), (85488, 240255), (87672, 234270), (88920, 230982), (93708, 219180), (96102, 213720), (96174, 213560), (98631, 208240), (98640, 208221), (101160, 203034), (101517, 202320), (104120, 197262), (106704, 192485), (106780, 192348), (106860, 192204), (109590, 187416), (115491, 177840), (117135, 175344), (121392, 169195), (124944, 164385), (128136, 160290), (128232, 160170), (131508, 156180), (133380, 153988), (135356, 151740), (138814, 147960), (140562, 146120), (142480, 144153)]