68892560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^3\times {\mathrm{647}}^1$

素因数の和:693

約数の個数: 80

約数和(自身を含む): 176452992

約数和(自身を除く): 107560432

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 647, 880, 968, 1210, 1294, 1331, 1936, 2420, 2588, 2662, 3235, 4840, 5176, 5324, 6470, 6655, 7117, 9680, 10352, 10648, 12940, 13310, 14234, 21296, 25880, 26620, 28468, 35585, 51760, 53240, 56936, 71170, 78287, 106480, 113872, 142340, 156574, 284680, 313148, 391435, 569360, 626296, 782870, 861157, 1252592, 1565740, 1722314, 3131480, 3444628, 4305785, 6262960, 6889256, 8611570, 13778512, 17223140, 34446280, 68892560]

約数ペア:

[(1, 68892560), (2, 34446280), (4, 17223140), (5, 13778512), (8, 8611570), (10, 6889256), (11, 6262960), (16, 4305785), (20, 3444628), (22, 3131480), (40, 1722314), (44, 1565740), (55, 1252592), (80, 861157), (88, 782870), (110, 626296), (121, 569360), (176, 391435), (220, 313148), (242, 284680), (440, 156574), (484, 142340), (605, 113872), (647, 106480), (880, 78287), (968, 71170), (1210, 56936), (1294, 53240), (1331, 51760), (1936, 35585), (2420, 28468), (2588, 26620), (2662, 25880), (3235, 21296), (4840, 14234), (5176, 13310), (5324, 12940), (6470, 10648), (6655, 10352), (7117, 9680)]