65381680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1283}}^1$

素因数の和:1323

約数の個数: 120

約数和(自身を含む): 190581552

約数和(自身を除く): 125199872

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1274, 1283, 1456, 1820, 1960, 2548, 2566, 3185, 3640, 3920, 5096, 5132, 6370, 6415, 7280, 8981, 10192, 10264, 12740, 12830, 16679, 17962, 20528, 25480, 25660, 33358, 35924, 44905, 50960, 51320, 62867, 66716, 71848, 83395, 89810, 102640, 116753, 125734, 133432, 143696, 166790, 179620, 233506, 251468, 266864, 314335, 333580, 359240, 467012, 502936, 583765, 628670, 667160, 718480, 817271, 934024, 1005872, 1167530, 1257340, 1334320, 1634542, 1868048, 2335060, 2514680, 3269084, 4086355, 4670120, 5029360, 6538168, 8172710, 9340240, 13076336, 16345420, 32690840, 65381680]

約数ペア:

[(1, 65381680), (2, 32690840), (4, 16345420), (5, 13076336), (7, 9340240), (8, 8172710), (10, 6538168), (13, 5029360), (14, 4670120), (16, 4086355), (20, 3269084), (26, 2514680), (28, 2335060), (35, 1868048), (40, 1634542), (49, 1334320), (52, 1257340), (56, 1167530), (65, 1005872), (70, 934024), (80, 817271), (91, 718480), (98, 667160), (104, 628670), (112, 583765), (130, 502936), (140, 467012), (182, 359240), (196, 333580), (208, 314335), (245, 266864), (260, 251468), (280, 233506), (364, 179620), (392, 166790), (455, 143696), (490, 133432), (520, 125734), (560, 116753), (637, 102640), (728, 89810), (784, 83395), (910, 71848), (980, 66716), (1040, 62867), (1274, 51320), (1283, 50960), (1456, 44905), (1820, 35924), (1960, 33358), (2548, 25660), (2566, 25480), (3185, 20528), (3640, 17962), (3920, 16679), (5096, 12830), (5132, 12740), (6370, 10264), (6415, 10192), (7280, 8981)]