68315840

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^2\times {\mathrm{127}}^1$

素因数の和:226

約数の個数: 84

約数和(自身を含む): 168054528

約数和(自身を除く): 99738688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 127, 160, 164, 205, 254, 320, 328, 410, 508, 635, 656, 820, 1016, 1270, 1312, 1640, 1681, 2032, 2540, 2624, 3280, 3362, 4064, 5080, 5207, 6560, 6724, 8128, 8405, 10160, 10414, 13120, 13448, 16810, 20320, 20828, 26035, 26896, 33620, 40640, 41656, 52070, 53792, 67240, 83312, 104140, 107584, 134480, 166624, 208280, 213487, 268960, 333248, 416560, 426974, 537920, 833120, 853948, 1067435, 1666240, 1707896, 2134870, 3415792, 4269740, 6831584, 8539480, 13663168, 17078960, 34157920, 68315840]

約数ペア:

[(1, 68315840), (2, 34157920), (4, 17078960), (5, 13663168), (8, 8539480), (10, 6831584), (16, 4269740), (20, 3415792), (32, 2134870), (40, 1707896), (41, 1666240), (64, 1067435), (80, 853948), (82, 833120), (127, 537920), (160, 426974), (164, 416560), (205, 333248), (254, 268960), (320, 213487), (328, 208280), (410, 166624), (508, 134480), (635, 107584), (656, 104140), (820, 83312), (1016, 67240), (1270, 53792), (1312, 52070), (1640, 41656), (1681, 40640), (2032, 33620), (2540, 26896), (2624, 26035), (3280, 20828), (3362, 20320), (4064, 16810), (5080, 13448), (5207, 13120), (6560, 10414), (6724, 10160), (8128, 8405)]