20918956320

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:359

約数の個数: 576

約数和(自身を含む): 78262329600

約数和(自身を除く): 57343373280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 81, 90, 92, 96, 108, 115, 120, 135, 138, 144, 149, 157, 160, 162, 180, 184, 207, 216, 230, 240, 243, 270, 276, 288, 298, 314, 324, 345, 360, 368, 405, 414, 432, 447, 460, 471, 480, 486, 540, 552, 596, 621, 628, 648, 690, 720, 736, 745, 785, 810, 828, 864, 894, 920, 942, 972, 1035, 1080, 1104, 1192, 1215, 1242, 1256, 1296, 1341, 1380, 1413, 1440, 1490, 1570, 1620, 1656, 1788, 1840, 1863, 1884, 1944, 2070, 2160, 2208, 2235, 2355, 2384, 2430, 2484, 2512, 2592, 2682, 2760, 2826, 2980, 3105, 3140, 3240, 3312, 3427, 3576, 3611, 3680, 3726, 3768, 3888, 4023, 4140, 4239, 4320, 4470, 4710, 4768, 4860, 4968, 5024, 5364, 5520, 5589, 5652, 5960, 6210, 6280, 6480, 6624, 6705, 6854, 7065, 7152, 7222, 7452, 7536, 7776, 8046, 8280, 8478, 8940, 9315, 9420, 9720, 9936, 10281, 10728, 10833, 11040, 11178, 11304, 11920, 12069, 12420, 12560, 12717, 12960, 13410, 13708, 14130, 14304, 14444, 14904, 15072, 16092, 16560, 16956, 17135, 17880, 18055, 18630, 18840, 19440, 19872, 20115, 20562, 21195, 21456, 21666, 22356, 22608, 23393, 23840, 24138, 24840, 25120, 25434, 26820, 27416, 27945, 28260, 28888, 29808, 30843, 32184, 32499, 33120, 33912, 34270, 35760, 36110, 36207, 37260, 37680, 38151, 38880, 40230, 41124, 42390, 42912, 43332, 44712, 45216, 46786, 48276, 49680, 50868, 51405, 53640, 54165, 54832, 55890, 56520, 57776, 59616, 60345, 61686, 63585, 64368, 64998, 67824, 68540, 70179, 71520, 72220, 72414, 74520, 75360, 76302, 80460, 82248, 84780, 86664, 89424, 92529, 93572, 96552, 97497, 99360, 101736, 102810, 107280, 108330, 109664, 111780, 113040, 115552, 116965, 120690, 123372, 127170, 128736, 129996, 135648, 137080, 140358, 144440, 144828, 149040, 152604, 154215, 160920, 162495, 164496, 169560, 173328, 178848, 181035, 185058, 187144, 190755, 193104, 194994, 203472, 205620, 210537, 214560, 216660, 223560, 226080, 233930, 241380, 246744, 254340, 259992, 274160, 277587, 280716, 288880, 289656, 292491, 298080, 305208, 308430, 321840, 324990, 328992, 339120, 346656, 350895, 362070, 370116, 374288, 381510, 386208, 389988, 406944, 411240, 421074, 433320, 447120, 462645, 467860, 482760, 487485, 493488, 508680, 519984, 538039, 548320, 555174, 561432, 577760, 579312, 584982, 610416, 616860, 631611, 643680, 649980, 678240, 701790, 724140, 740232, 748576, 763020, 779976, 822480, 832761, 842148, 866640, 877473, 894240, 925290, 935720, 965520, 974970, 986976, 1017360, 1039968, 1052685, 1076078, 1110348, 1122864, 1158624, 1169964, 1220832, 1233720, 1263222, 1299960, 1387935, 1403580, 1448280, 1462455, 1480464, 1526040, 1559952, 1614117, 1644960, 1665522, 1684296, 1733280, 1754946, 1850580, 1871440, 1894833, 1931040, 1949940, 2034720, 2105370, 2152156, 2220696, 2245728, 2339928, 2467440, 2526444, 2599920, 2690195, 2775870, 2807160, 2896560, 2924910, 2960928, 3052080, 3119904, 3158055, 3228234, 3331044, 3368592, 3509892, 3701160, 3742880, 3789666, 3899880, 4163805, 4210740, 4304312, 4387365, 4441392, 4679856, 4842351, 4934880, 5052888, 5199840, 5380390, 5551740, 5614320, 5684499, 5793120, 5849820, 6104160, 6316110, 6456468, 6662088, 6737184, 7019784, 7402320, 7579332, 7799760, 8070585, 8327610, 8421480, 8608624, 8774730, 8882784, 9359712, 9474165, 9684702, 10105776, 10760780, 11103480, 11228640, 11368998, 11699640, 12632220, 12912936, 13324176, 14039568, 14527053, 14804640, 15158664, 15599520, 16141170, 16655220, 16842960, 17217248, 17549460, 18948330, 19369404, 20211552, 21521560, 22206960, 22737996, 23399280, 24211755, 25264440, 25825872, 26648352, 28079136, 28422495, 29054106, 30317328, 32282340, 33310440, 33685920, 35098920, 37896660, 38738808, 43043120, 43581159, 44413920, 45475992, 46798560, 48423510, 50528880, 51651744, 56844990, 58108212, 60634656, 64564680, 66620880, 70197840, 72635265, 75793320, 77477616, 86086240, 87162318, 90951984, 96847020, 101057760, 113689980, 116216424, 129129360, 130743477, 133241760, 140395680, 145270530, 151586640, 154955232, 174324636, 181903968, 193694040, 217905795, 227379960, 232432848, 258258720, 261486954, 290541060, 303173280, 348649272, 387388080, 435811590, 454759920, 464865696, 522973908, 581082120, 653717385, 697298544, 774776160, 871623180, 909519840, 1045947816, 1162164240, 1307434770, 1394597088, 1743246360, 2091895632, 2324328480, 2614869540, 3486492720, 4183791264, 5229739080, 6972985440, 10459478160, 20918956320]

約数ペア:

[(1, 20918956320), (2, 10459478160), (3, 6972985440), (4, 5229739080), (5, 4183791264), (6, 3486492720), (8, 2614869540), (9, 2324328480), (10, 2091895632), (12, 1743246360), (15, 1394597088), (16, 1307434770), (18, 1162164240), (20, 1045947816), (23, 909519840), (24, 871623180), (27, 774776160), (30, 697298544), (32, 653717385), (36, 581082120), (40, 522973908), (45, 464865696), (46, 454759920), (48, 435811590), (54, 387388080), (60, 348649272), (69, 303173280), (72, 290541060), (80, 261486954), (81, 258258720), (90, 232432848), (92, 227379960), (96, 217905795), (108, 193694040), (115, 181903968), (120, 174324636), (135, 154955232), (138, 151586640), (144, 145270530), (149, 140395680), (157, 133241760), (160, 130743477), (162, 129129360), (180, 116216424), (184, 113689980), (207, 101057760), (216, 96847020), (230, 90951984), (240, 87162318), (243, 86086240), (270, 77477616), (276, 75793320), (288, 72635265), (298, 70197840), (314, 66620880), (324, 64564680), (345, 60634656), (360, 58108212), (368, 56844990), (405, 51651744), (414, 50528880), (432, 48423510), (447, 46798560), (460, 45475992), (471, 44413920), (480, 43581159), (486, 43043120), (540, 38738808), (552, 37896660), (596, 35098920), (621, 33685920), (628, 33310440), (648, 32282340), (690, 30317328), (720, 29054106), (736, 28422495), (745, 28079136), (785, 26648352), (810, 25825872), (828, 25264440), (864, 24211755), (894, 23399280), (920, 22737996), (942, 22206960), (972, 21521560), (1035, 20211552), (1080, 19369404), (1104, 18948330), (1192, 17549460), (1215, 17217248), (1242, 16842960), (1256, 16655220), (1296, 16141170), (1341, 15599520), (1380, 15158664), (1413, 14804640), (1440, 14527053), (1490, 14039568), (1570, 13324176), (1620, 12912936), (1656, 12632220), (1788, 11699640), (1840, 11368998), (1863, 11228640), (1884, 11103480), (1944, 10760780), (2070, 10105776), (2160, 9684702), (2208, 9474165), (2235, 9359712), (2355, 8882784), (2384, 8774730), (2430, 8608624), (2484, 8421480), (2512, 8327610), (2592, 8070585), (2682, 7799760), (2760, 7579332), (2826, 7402320), (2980, 7019784), (3105, 6737184), (3140, 6662088), (3240, 6456468), (3312, 6316110), (3427, 6104160), (3576, 5849820), (3611, 5793120), (3680, 5684499), (3726, 5614320), (3768, 5551740), (3888, 5380390), (4023, 5199840), (4140, 5052888), (4239, 4934880), (4320, 4842351), (4470, 4679856), (4710, 4441392), (4768, 4387365), (4860, 4304312), (4968, 4210740), (5024, 4163805), (5364, 3899880), (5520, 3789666), (5589, 3742880), (5652, 3701160), (5960, 3509892), (6210, 3368592), (6280, 3331044), (6480, 3228234), (6624, 3158055), (6705, 3119904), (6854, 3052080), (7065, 2960928), (7152, 2924910), (7222, 2896560), (7452, 2807160), (7536, 2775870), (7776, 2690195), (8046, 2599920), (8280, 2526444), (8478, 2467440), (8940, 2339928), (9315, 2245728), (9420, 2220696), (9720, 2152156), (9936, 2105370), (10281, 2034720), (10728, 1949940), (10833, 1931040), (11040, 1894833), (11178, 1871440), (11304, 1850580), (11920, 1754946), (12069, 1733280), (12420, 1684296), (12560, 1665522), (12717, 1644960), (12960, 1614117), (13410, 1559952), (13708, 1526040), (14130, 1480464), (14304, 1462455), (14444, 1448280), (14904, 1403580), (15072, 1387935), (16092, 1299960), (16560, 1263222), (16956, 1233720), (17135, 1220832), (17880, 1169964), (18055, 1158624), (18630, 1122864), (18840, 1110348), (19440, 1076078), (19872, 1052685), (20115, 1039968), (20562, 1017360), (21195, 986976), (21456, 974970), (21666, 965520), (22356, 935720), (22608, 925290), (23393, 894240), (23840, 877473), (24138, 866640), (24840, 842148), (25120, 832761), (25434, 822480), (26820, 779976), (27416, 763020), (27945, 748576), (28260, 740232), (28888, 724140), (29808, 701790), (30843, 678240), (32184, 649980), (32499, 643680), (33120, 631611), (33912, 616860), (34270, 610416), (35760, 584982), (36110, 579312), (36207, 577760), (37260, 561432), (37680, 555174), (38151, 548320), (38880, 538039), (40230, 519984), (41124, 508680), (42390, 493488), (42912, 487485), (43332, 482760), (44712, 467860), (45216, 462645), (46786, 447120), (48276, 433320), (49680, 421074), (50868, 411240), (51405, 406944), (53640, 389988), (54165, 386208), (54832, 381510), (55890, 374288), (56520, 370116), (57776, 362070), (59616, 350895), (60345, 346656), (61686, 339120), (63585, 328992), (64368, 324990), (64998, 321840), (67824, 308430), (68540, 305208), (70179, 298080), (71520, 292491), (72220, 289656), (72414, 288880), (74520, 280716), (75360, 277587), (76302, 274160), (80460, 259992), (82248, 254340), (84780, 246744), (86664, 241380), (89424, 233930), (92529, 226080), (93572, 223560), (96552, 216660), (97497, 214560), (99360, 210537), (101736, 205620), (102810, 203472), (107280, 194994), (108330, 193104), (109664, 190755), (111780, 187144), (113040, 185058), (115552, 181035), (116965, 178848), (120690, 173328), (123372, 169560), (127170, 164496), (128736, 162495), (129996, 160920), (135648, 154215), (137080, 152604), (140358, 149040), (144440, 144828)]