15661519120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{8171}}^1$

素因数の和:8313

約数の個数: 160

約数和(自身を含む): 41708580480

約数和(自身を除く): 26047061360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 97, 104, 130, 152, 190, 194, 208, 247, 260, 304, 380, 388, 485, 494, 520, 760, 776, 970, 988, 1040, 1235, 1261, 1520, 1552, 1843, 1940, 1976, 2470, 2522, 3686, 3880, 3952, 4940, 5044, 6305, 7372, 7760, 8171, 9215, 9880, 10088, 12610, 14744, 16342, 18430, 19760, 20176, 23959, 25220, 29488, 32684, 36860, 40855, 47918, 50440, 65368, 73720, 81710, 95836, 100880, 106223, 119795, 130736, 147440, 155249, 163420, 191672, 212446, 239590, 310498, 326840, 383344, 424892, 479180, 531115, 620996, 653680, 776245, 792587, 849784, 958360, 1062230, 1241992, 1552490, 1585174, 1699568, 1916720, 2018237, 2124460, 2483984, 3104980, 3170348, 3962935, 4036474, 4248920, 6209960, 6340696, 7925870, 8072948, 8497840, 10091185, 10303631, 12419920, 12681392, 15059153, 15851740, 16145896, 20182370, 20607262, 30118306, 31703480, 32291792, 40364740, 41214524, 51518155, 60236612, 63406960, 75295765, 80729480, 82429048, 103036310, 120473224, 150591530, 161458960, 164858096, 195768989, 206072620, 240946448, 301183060, 391537978, 412145240, 602366120, 783075956, 824290480, 978844945, 1204732240, 1566151912, 1957689890, 3132303824, 3915379780, 7830759560, 15661519120]

約数ペア:

[(1, 15661519120), (2, 7830759560), (4, 3915379780), (5, 3132303824), (8, 1957689890), (10, 1566151912), (13, 1204732240), (16, 978844945), (19, 824290480), (20, 783075956), (26, 602366120), (38, 412145240), (40, 391537978), (52, 301183060), (65, 240946448), (76, 206072620), (80, 195768989), (95, 164858096), (97, 161458960), (104, 150591530), (130, 120473224), (152, 103036310), (190, 82429048), (194, 80729480), (208, 75295765), (247, 63406960), (260, 60236612), (304, 51518155), (380, 41214524), (388, 40364740), (485, 32291792), (494, 31703480), (520, 30118306), (760, 20607262), (776, 20182370), (970, 16145896), (988, 15851740), (1040, 15059153), (1235, 12681392), (1261, 12419920), (1520, 10303631), (1552, 10091185), (1843, 8497840), (1940, 8072948), (1976, 7925870), (2470, 6340696), (2522, 6209960), (3686, 4248920), (3880, 4036474), (3952, 3962935), (4940, 3170348), (5044, 3104980), (6305, 2483984), (7372, 2124460), (7760, 2018237), (8171, 1916720), (9215, 1699568), (9880, 1585174), (10088, 1552490), (12610, 1241992), (14744, 1062230), (16342, 958360), (18430, 849784), (19760, 792587), (20176, 776245), (23959, 653680), (25220, 620996), (29488, 531115), (32684, 479180), (36860, 424892), (40855, 383344), (47918, 326840), (50440, 310498), (65368, 239590), (73720, 212446), (81710, 191672), (95836, 163420), (100880, 155249), (106223, 147440), (119795, 130736)]