128681080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{2417}}^1$

素因数の和:2461

約数の個数: 64

約数和(自身を含む): 318595680

約数和(自身を除く): 189914600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 1331, 2417, 2420, 2662, 4834, 4840, 5324, 6655, 9668, 10648, 12085, 13310, 19336, 24170, 26587, 26620, 48340, 53174, 53240, 96680, 106348, 132935, 212696, 265870, 292457, 531740, 584914, 1063480, 1169828, 1462285, 2339656, 2924570, 3217027, 5849140, 6434054, 11698280, 12868108, 16085135, 25736216, 32170270, 64340540, 128681080]

約数ペア:

[(1, 128681080), (2, 64340540), (4, 32170270), (5, 25736216), (8, 16085135), (10, 12868108), (11, 11698280), (20, 6434054), (22, 5849140), (40, 3217027), (44, 2924570), (55, 2339656), (88, 1462285), (110, 1169828), (121, 1063480), (220, 584914), (242, 531740), (440, 292457), (484, 265870), (605, 212696), (968, 132935), (1210, 106348), (1331, 96680), (2417, 53240), (2420, 53174), (2662, 48340), (4834, 26620), (4840, 26587), (5324, 24170), (6655, 19336), (9668, 13310), (10648, 12085)]