81210480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26029}}^1$

素因数の和:26058

約数の個数: 80

約数和(自身を含む): 271128480

約数和(自身を除く): 189918000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 26029, 52058, 78087, 104116, 130145, 156174, 208232, 260290, 312348, 338377, 390435, 416464, 520580, 624696, 676754, 780870, 1015131, 1041160, 1249392, 1353508, 1561740, 1691885, 2030262, 2082320, 2707016, 3123480, 3383770, 4060524, 5075655, 5414032, 6246960, 6767540, 8121048, 10151310, 13535080, 16242096, 20302620, 27070160, 40605240, 81210480]

約数ペア:

[(1, 81210480), (2, 40605240), (3, 27070160), (4, 20302620), (5, 16242096), (6, 13535080), (8, 10151310), (10, 8121048), (12, 6767540), (13, 6246960), (15, 5414032), (16, 5075655), (20, 4060524), (24, 3383770), (26, 3123480), (30, 2707016), (39, 2082320), (40, 2030262), (48, 1691885), (52, 1561740), (60, 1353508), (65, 1249392), (78, 1041160), (80, 1015131), (104, 780870), (120, 676754), (130, 624696), (156, 520580), (195, 416464), (208, 390435), (240, 338377), (260, 312348), (312, 260290), (390, 208232), (520, 156174), (624, 130145), (780, 104116), (1040, 78087), (1560, 52058), (3120, 26029)]