397016880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127249}}^1$

素因数の和:127278

約数の個数: 80

約数和(自身を含む): 1325436000

約数和(自身を除く): 928419120

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, 127249, 254498, 381747, 508996, 636245, 763494, 1017992, 1272490, 1526988, 1654237, 1908735, 2035984, 2544980, 3053976, 3308474, 3817470, 4962711, 5089960, 6107952, 6616948, 7634940, 8271185, 9925422, 10179920, 13233896, 15269880, 16542370, 19850844, 24813555, 26467792, 30539760, 33084740, 39701688, 49627110, 66169480, 79403376, 99254220, 132338960, 198508440, 397016880]

約数ペア:

[(1, 397016880), (2, 198508440), (3, 132338960), (4, 99254220), (5, 79403376), (6, 66169480), (8, 49627110), (10, 39701688), (12, 33084740), (13, 30539760), (15, 26467792), (16, 24813555), (20, 19850844), (24, 16542370), (26, 15269880), (30, 13233896), (39, 10179920), (40, 9925422), (48, 8271185), (52, 7634940), (60, 6616948), (65, 6107952), (78, 5089960), (80, 4962711), (104, 3817470), (120, 3308474), (130, 3053976), (156, 2544980), (195, 2035984), (208, 1908735), (240, 1654237), (260, 1526988), (312, 1272490), (390, 1017992), (520, 763494), (624, 636245), (780, 508996), (1040, 381747), (1560, 254498), (3120, 127249)]