159640640

素因数分解:

$2^6\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1801}}^1$

素因数の和:2095

約数の個数: 56

約数和(自身を含む): 381728472

約数和(自身を除く): 222087832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 277, 320, 554, 1108, 1385, 1801, 2216, 2770, 3602, 4432, 5540, 7204, 8864, 9005, 11080, 14408, 17728, 18010, 22160, 28816, 36020, 44320, 57632, 72040, 88640, 115264, 144080, 288160, 498877, 576320, 997754, 1995508, 2494385, 3991016, 4988770, 7982032, 9977540, 15964064, 19955080, 31928128, 39910160, 79820320, 159640640]

約数ペア:

[(1, 159640640), (2, 79820320), (4, 39910160), (5, 31928128), (8, 19955080), (10, 15964064), (16, 9977540), (20, 7982032), (32, 4988770), (40, 3991016), (64, 2494385), (80, 1995508), (160, 997754), (277, 576320), (320, 498877), (554, 288160), (1108, 144080), (1385, 115264), (1801, 88640), (2216, 72040), (2770, 57632), (3602, 44320), (4432, 36020), (5540, 28816), (7204, 22160), (8864, 18010), (9005, 17728), (11080, 14408)]