68407625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 103783680

約数和(自身を除く): 35376055

約数列:

[1, 5, 11, 13, 25, 43, 55, 65, 89, 125, 143, 215, 275, 325, 445, 473, 559, 715, 979, 1075, 1157, 1375, 1625, 2225, 2365, 2795, 3575, 3827, 4895, 5375, 5785, 6149, 11125, 11825, 12727, 13975, 17875, 19135, 24475, 28925, 30745, 42097, 49751, 59125, 63635, 69875, 95675, 122375, 144625, 153725, 210485, 248755, 318175, 478375, 547261, 768625, 1052425, 1243775, 1590875, 2736305, 5262125, 6218875, 13681525, 68407625]

約数ペア:

[(1, 68407625), (5, 13681525), (11, 6218875), (13, 5262125), (25, 2736305), (43, 1590875), (55, 1243775), (65, 1052425), (89, 768625), (125, 547261), (143, 478375), (215, 318175), (275, 248755), (325, 210485), (445, 153725), (473, 144625), (559, 122375), (715, 95675), (979, 69875), (1075, 63635), (1157, 59125), (1375, 49751), (1625, 42097), (2225, 30745), (2365, 28925), (2795, 24475), (3575, 19135), (3827, 17875), (4895, 13975), (5375, 12727), (5785, 11825), (6149, 11125)]