20638631520

素因数分解:

$2^5\times 3^7\times 5^1\times {\mathrm{13}}^2\times {\mathrm{349}}^1$

素因数の和:411

約数の個数: 576

約数和(自身を含む): 79411752000

約数和(自身を除く): 58773120480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 169, 180, 195, 208, 216, 234, 240, 243, 260, 270, 288, 312, 324, 338, 349, 351, 360, 390, 405, 416, 432, 468, 480, 486, 507, 520, 540, 585, 624, 648, 676, 698, 702, 720, 729, 780, 810, 845, 864, 936, 972, 1014, 1040, 1047, 1053, 1080, 1170, 1215, 1248, 1296, 1352, 1396, 1404, 1440, 1458, 1521, 1560, 1620, 1690, 1745, 1755, 1872, 1944, 2028, 2080, 2094, 2106, 2160, 2187, 2340, 2430, 2535, 2592, 2704, 2792, 2808, 2916, 3042, 3120, 3141, 3159, 3240, 3380, 3490, 3510, 3645, 3744, 3888, 4056, 4188, 4212, 4320, 4374, 4537, 4563, 4680, 4860, 5070, 5235, 5265, 5408, 5584, 5616, 5832, 6084, 6240, 6282, 6318, 6480, 6760, 6980, 7020, 7290, 7605, 7776, 8112, 8376, 8424, 8748, 9074, 9126, 9360, 9423, 9477, 9720, 10140, 10470, 10530, 10935, 11168, 11232, 11664, 12168, 12564, 12636, 12960, 13520, 13611, 13689, 13960, 14040, 14580, 15210, 15705, 15795, 16224, 16752, 16848, 17496, 18148, 18252, 18720, 18846, 18954, 19440, 20280, 20940, 21060, 21870, 22685, 22815, 23328, 24336, 25128, 25272, 27040, 27222, 27378, 27920, 28080, 28269, 28431, 29160, 30420, 31410, 31590, 33504, 33696, 34992, 36296, 36504, 37692, 37908, 38880, 40560, 40833, 41067, 41880, 42120, 43740, 45370, 45630, 47115, 47385, 48672, 50256, 50544, 54444, 54756, 55840, 56160, 56538, 56862, 58320, 58981, 60840, 62820, 63180, 68055, 68445, 69984, 72592, 73008, 75384, 75816, 81120, 81666, 82134, 83760, 84240, 84807, 87480, 90740, 91260, 94230, 94770, 100512, 101088, 108888, 109512, 113076, 113724, 116640, 117962, 121680, 122499, 123201, 125640, 126360, 136110, 136890, 141345, 142155, 145184, 146016, 150768, 151632, 163332, 164268, 167520, 168480, 169614, 174960, 176943, 181480, 182520, 188460, 189540, 204165, 205335, 217776, 219024, 226152, 227448, 235924, 243360, 244998, 246402, 251280, 252720, 254421, 272220, 273780, 282690, 284310, 294905, 301536, 303264, 326664, 328536, 339228, 349920, 353886, 362960, 365040, 367497, 369603, 376920, 379080, 408330, 410670, 424035, 435552, 438048, 452304, 454896, 471848, 489996, 492804, 502560, 505440, 508842, 530829, 544440, 547560, 565380, 568620, 589810, 612495, 616005, 653328, 657072, 678456, 707772, 725920, 730080, 734994, 739206, 753840, 758160, 763263, 816660, 821340, 848070, 884715, 904608, 909792, 943696, 979992, 985608, 1017684, 1061658, 1088880, 1095120, 1102491, 1130760, 1137240, 1179620, 1224990, 1232010, 1272105, 1306656, 1314144, 1356912, 1415544, 1469988, 1478412, 1507680, 1516320, 1526526, 1592487, 1633320, 1642680, 1696140, 1769430, 1837485, 1848015, 1887392, 1959984, 1971216, 2035368, 2123316, 2177760, 2190240, 2204982, 2261520, 2274480, 2359240, 2449980, 2464020, 2544210, 2654145, 2713824, 2831088, 2939976, 2956824, 3053052, 3184974, 3266640, 3285360, 3307473, 3392280, 3538860, 3674970, 3696030, 3816315, 3919968, 3942432, 4070736, 4246632, 4409964, 4523040, 4548960, 4718480, 4777461, 4899960, 4928040, 5088420, 5308290, 5512455, 5662176, 5879952, 5913648, 6106104, 6369948, 6533280, 6570720, 6614946, 6784560, 7077720, 7349940, 7392060, 7632630, 7962435, 8141472, 8493264, 8819928, 9436960, 9554922, 9799920, 9856080, 9922419, 10176840, 10616580, 11024910, 11759904, 11827296, 12212208, 12739896, 13229892, 13569120, 14155440, 14332383, 14699880, 14784120, 15265260, 15924870, 16537365, 16986528, 17639856, 19109844, 19599840, 19712160, 19844838, 20353680, 21233160, 22049820, 23887305, 24424416, 25479792, 26459784, 28310880, 28664766, 29399760, 29568240, 30530520, 31849740, 33074730, 35279712, 38219688, 39689676, 40707360, 42466320, 42997149, 44099640, 47774610, 49612095, 50959584, 52919568, 57329532, 58799520, 59136480, 61061040, 63699480, 66149460, 71661915, 76439376, 79379352, 84932640, 85994298, 88199280, 95549220, 99224190, 105839136, 114659064, 122122080, 127398960, 128991447, 132298920, 143323830, 152878752, 158758704, 171988596, 176398560, 191098440, 198448380, 214985745, 229318128, 254797920, 257982894, 264597840, 286647660, 317517408, 343977192, 382196880, 396896760, 429971490, 458636256, 515965788, 529195680, 573295320, 644957235, 687954384, 764393760, 793793520, 859942980, 1031931576, 1146590640, 1289914470, 1375908768, 1587587040, 1719885960, 2063863152, 2293181280, 2579828940, 3439771920, 4127726304, 5159657880, 6879543840, 10319315760, 20638631520]

約数ペア:

[(1, 20638631520), (2, 10319315760), (3, 6879543840), (4, 5159657880), (5, 4127726304), (6, 3439771920), (8, 2579828940), (9, 2293181280), (10, 2063863152), (12, 1719885960), (13, 1587587040), (15, 1375908768), (16, 1289914470), (18, 1146590640), (20, 1031931576), (24, 859942980), (26, 793793520), (27, 764393760), (30, 687954384), (32, 644957235), (36, 573295320), (39, 529195680), (40, 515965788), (45, 458636256), (48, 429971490), (52, 396896760), (54, 382196880), (60, 343977192), (65, 317517408), (72, 286647660), (78, 264597840), (80, 257982894), (81, 254797920), (90, 229318128), (96, 214985745), (104, 198448380), (108, 191098440), (117, 176398560), (120, 171988596), (130, 158758704), (135, 152878752), (144, 143323830), (156, 132298920), (160, 128991447), (162, 127398960), (169, 122122080), (180, 114659064), (195, 105839136), (208, 99224190), (216, 95549220), (234, 88199280), (240, 85994298), (243, 84932640), (260, 79379352), (270, 76439376), (288, 71661915), (312, 66149460), (324, 63699480), (338, 61061040), (349, 59136480), (351, 58799520), (360, 57329532), (390, 52919568), (405, 50959584), (416, 49612095), (432, 47774610), (468, 44099640), (480, 42997149), (486, 42466320), (507, 40707360), (520, 39689676), (540, 38219688), (585, 35279712), (624, 33074730), (648, 31849740), (676, 30530520), (698, 29568240), (702, 29399760), (720, 28664766), (729, 28310880), (780, 26459784), (810, 25479792), (845, 24424416), (864, 23887305), (936, 22049820), (972, 21233160), (1014, 20353680), (1040, 19844838), (1047, 19712160), (1053, 19599840), (1080, 19109844), (1170, 17639856), (1215, 16986528), (1248, 16537365), (1296, 15924870), (1352, 15265260), (1396, 14784120), (1404, 14699880), (1440, 14332383), (1458, 14155440), (1521, 13569120), (1560, 13229892), (1620, 12739896), (1690, 12212208), (1745, 11827296), (1755, 11759904), (1872, 11024910), (1944, 10616580), (2028, 10176840), (2080, 9922419), (2094, 9856080), (2106, 9799920), (2160, 9554922), (2187, 9436960), (2340, 8819928), (2430, 8493264), (2535, 8141472), (2592, 7962435), (2704, 7632630), (2792, 7392060), (2808, 7349940), (2916, 7077720), (3042, 6784560), (3120, 6614946), (3141, 6570720), (3159, 6533280), (3240, 6369948), (3380, 6106104), (3490, 5913648), (3510, 5879952), (3645, 5662176), (3744, 5512455), (3888, 5308290), (4056, 5088420), (4188, 4928040), (4212, 4899960), (4320, 4777461), (4374, 4718480), (4537, 4548960), (4563, 4523040), (4680, 4409964), (4860, 4246632), (5070, 4070736), (5235, 3942432), (5265, 3919968), (5408, 3816315), (5584, 3696030), (5616, 3674970), (5832, 3538860), (6084, 3392280), (6240, 3307473), (6282, 3285360), (6318, 3266640), (6480, 3184974), (6760, 3053052), (6980, 2956824), (7020, 2939976), (7290, 2831088), (7605, 2713824), (7776, 2654145), (8112, 2544210), (8376, 2464020), (8424, 2449980), (8748, 2359240), (9074, 2274480), (9126, 2261520), (9360, 2204982), (9423, 2190240), (9477, 2177760), (9720, 2123316), (10140, 2035368), (10470, 1971216), (10530, 1959984), (10935, 1887392), (11168, 1848015), (11232, 1837485), (11664, 1769430), (12168, 1696140), (12564, 1642680), (12636, 1633320), (12960, 1592487), (13520, 1526526), (13611, 1516320), (13689, 1507680), (13960, 1478412), (14040, 1469988), (14580, 1415544), (15210, 1356912), (15705, 1314144), (15795, 1306656), (16224, 1272105), (16752, 1232010), (16848, 1224990), (17496, 1179620), (18148, 1137240), (18252, 1130760), (18720, 1102491), (18846, 1095120), (18954, 1088880), (19440, 1061658), (20280, 1017684), (20940, 985608), (21060, 979992), (21870, 943696), (22685, 909792), (22815, 904608), (23328, 884715), (24336, 848070), (25128, 821340), (25272, 816660), (27040, 763263), (27222, 758160), (27378, 753840), (27920, 739206), (28080, 734994), (28269, 730080), (28431, 725920), (29160, 707772), (30420, 678456), (31410, 657072), (31590, 653328), (33504, 616005), (33696, 612495), (34992, 589810), (36296, 568620), (36504, 565380), (37692, 547560), (37908, 544440), (38880, 530829), (40560, 508842), (40833, 505440), (41067, 502560), (41880, 492804), (42120, 489996), (43740, 471848), (45370, 454896), (45630, 452304), (47115, 438048), (47385, 435552), (48672, 424035), (50256, 410670), (50544, 408330), (54444, 379080), (54756, 376920), (55840, 369603), (56160, 367497), (56538, 365040), (56862, 362960), (58320, 353886), (58981, 349920), (60840, 339228), (62820, 328536), (63180, 326664), (68055, 303264), (68445, 301536), (69984, 294905), (72592, 284310), (73008, 282690), (75384, 273780), (75816, 272220), (81120, 254421), (81666, 252720), (82134, 251280), (83760, 246402), (84240, 244998), (84807, 243360), (87480, 235924), (90740, 227448), (91260, 226152), (94230, 219024), (94770, 217776), (100512, 205335), (101088, 204165), (108888, 189540), (109512, 188460), (113076, 182520), (113724, 181480), (116640, 176943), (117962, 174960), (121680, 169614), (122499, 168480), (123201, 167520), (125640, 164268), (126360, 163332), (136110, 151632), (136890, 150768), (141345, 146016), (142155, 145184)]