68321440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3529}}^1$

素因数の和:3566

約数の個数: 72

約数和(自身を含む): 177467220

約数和(自身を除く): 109145780

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3529, 3872, 4840, 7058, 9680, 14116, 17645, 19360, 28232, 35290, 38819, 56464, 70580, 77638, 112928, 141160, 155276, 194095, 282320, 310552, 388190, 427009, 564640, 621104, 776380, 854018, 1242208, 1552760, 1708036, 2135045, 3105520, 3416072, 4270090, 6211040, 6832144, 8540180, 13664288, 17080360, 34160720, 68321440]

約数ペア:

[(1, 68321440), (2, 34160720), (4, 17080360), (5, 13664288), (8, 8540180), (10, 6832144), (11, 6211040), (16, 4270090), (20, 3416072), (22, 3105520), (32, 2135045), (40, 1708036), (44, 1552760), (55, 1242208), (80, 854018), (88, 776380), (110, 621104), (121, 564640), (160, 427009), (176, 388190), (220, 310552), (242, 282320), (352, 194095), (440, 155276), (484, 141160), (605, 112928), (880, 77638), (968, 70580), (1210, 56464), (1760, 38819), (1936, 35290), (2420, 28232), (3529, 19360), (3872, 17645), (4840, 14116), (7058, 9680)]