68203380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{162389}}^1$

素因数の和:162408

約数の個数: 48

約数和(自身を含む): 218252160

約数和(自身を除く): 150048780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 162389, 324778, 487167, 649556, 811945, 974334, 1136723, 1623890, 1948668, 2273446, 2435835, 3247780, 3410169, 4546892, 4871670, 5683615, 6820338, 9743340, 11367230, 13640676, 17050845, 22734460, 34101690, 68203380]

約数ペア:

[(1, 68203380), (2, 34101690), (3, 22734460), (4, 17050845), (5, 13640676), (6, 11367230), (7, 9743340), (10, 6820338), (12, 5683615), (14, 4871670), (15, 4546892), (20, 3410169), (21, 3247780), (28, 2435835), (30, 2273446), (35, 1948668), (42, 1623890), (60, 1136723), (70, 974334), (84, 811945), (105, 649556), (140, 487167), (210, 324778), (420, 162389)]