129043640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{937}}^1$

素因数の和:1272

約数の個数: 64

約数和(自身を含む): 318094560

約数和(自身を除く): 189050920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 313, 440, 626, 937, 1252, 1565, 1874, 2504, 3130, 3443, 3748, 4685, 6260, 6886, 7496, 9370, 10307, 12520, 13772, 17215, 18740, 20614, 27544, 34430, 37480, 41228, 51535, 68860, 82456, 103070, 137720, 206140, 293281, 412280, 586562, 1173124, 1466405, 2346248, 2932810, 3226091, 5865620, 6452182, 11731240, 12904364, 16130455, 25808728, 32260910, 64521820, 129043640]

約数ペア:

[(1, 129043640), (2, 64521820), (4, 32260910), (5, 25808728), (8, 16130455), (10, 12904364), (11, 11731240), (20, 6452182), (22, 5865620), (40, 3226091), (44, 2932810), (55, 2346248), (88, 1466405), (110, 1173124), (220, 586562), (313, 412280), (440, 293281), (626, 206140), (937, 137720), (1252, 103070), (1565, 82456), (1874, 68860), (2504, 51535), (3130, 41228), (3443, 37480), (3748, 34430), (4685, 27544), (6260, 20614), (6886, 18740), (7496, 17215), (9370, 13772), (10307, 12520)]