72990840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:757

約数の個数: 128

約数和(自身を含む): 239500800

約数和(自身を除く): 166509960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 71, 78, 104, 120, 130, 142, 156, 195, 213, 260, 284, 312, 355, 390, 426, 520, 568, 659, 710, 780, 852, 923, 1065, 1318, 1420, 1560, 1704, 1846, 1977, 2130, 2636, 2769, 2840, 3295, 3692, 3954, 4260, 4615, 5272, 5538, 6590, 7384, 7908, 8520, 8567, 9230, 9885, 11076, 13180, 13845, 15816, 17134, 18460, 19770, 22152, 25701, 26360, 27690, 34268, 36920, 39540, 42835, 46789, 51402, 55380, 68536, 79080, 85670, 93578, 102804, 110760, 128505, 140367, 171340, 187156, 205608, 233945, 257010, 280734, 342680, 374312, 467890, 514020, 561468, 608257, 701835, 935780, 1028040, 1122936, 1216514, 1403670, 1824771, 1871560, 2433028, 2807340, 3041285, 3649542, 4866056, 5614680, 6082570, 7299084, 9123855, 12165140, 14598168, 18247710, 24330280, 36495420, 72990840]

約数ペア:

[(1, 72990840), (2, 36495420), (3, 24330280), (4, 18247710), (5, 14598168), (6, 12165140), (8, 9123855), (10, 7299084), (12, 6082570), (13, 5614680), (15, 4866056), (20, 3649542), (24, 3041285), (26, 2807340), (30, 2433028), (39, 1871560), (40, 1824771), (52, 1403670), (60, 1216514), (65, 1122936), (71, 1028040), (78, 935780), (104, 701835), (120, 608257), (130, 561468), (142, 514020), (156, 467890), (195, 374312), (213, 342680), (260, 280734), (284, 257010), (312, 233945), (355, 205608), (390, 187156), (426, 171340), (520, 140367), (568, 128505), (659, 110760), (710, 102804), (780, 93578), (852, 85670), (923, 79080), (1065, 68536), (1318, 55380), (1420, 51402), (1560, 46789), (1704, 42835), (1846, 39540), (1977, 36920), (2130, 34268), (2636, 27690), (2769, 26360), (2840, 25701), (3295, 22152), (3692, 19770), (3954, 18460), (4260, 17134), (4615, 15816), (5272, 13845), (5538, 13180), (6590, 11076), (7384, 9885), (7908, 9230), (8520, 8567)]