659512880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{15467}}^1$

素因数の和:15534

約数の個数: 80

約数和(自身を含む): 1691704224

約数和(自身を除く): 1032191344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1640, 2132, 2665, 3280, 4264, 5330, 8528, 10660, 15467, 21320, 30934, 42640, 61868, 77335, 123736, 154670, 201071, 247472, 309340, 402142, 618680, 634147, 804284, 1005355, 1237360, 1268294, 1608568, 2010710, 2536588, 3170735, 3217136, 4021420, 5073176, 6341470, 8042840, 8243911, 10146352, 12682940, 16085680, 16487822, 25365880, 32975644, 41219555, 50731760, 65951288, 82439110, 131902576, 164878220, 329756440, 659512880]

約数ペア:

[(1, 659512880), (2, 329756440), (4, 164878220), (5, 131902576), (8, 82439110), (10, 65951288), (13, 50731760), (16, 41219555), (20, 32975644), (26, 25365880), (40, 16487822), (41, 16085680), (52, 12682940), (65, 10146352), (80, 8243911), (82, 8042840), (104, 6341470), (130, 5073176), (164, 4021420), (205, 3217136), (208, 3170735), (260, 2536588), (328, 2010710), (410, 1608568), (520, 1268294), (533, 1237360), (656, 1005355), (820, 804284), (1040, 634147), (1066, 618680), (1640, 402142), (2132, 309340), (2665, 247472), (3280, 201071), (4264, 154670), (5330, 123736), (8528, 77335), (10660, 61868), (15467, 42640), (21320, 30934)]