68240760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{81239}}^1$

素因数の和:81260

約数の個数: 64

約数和(自身を含む): 233971200

約数和(自身を除く): 165730440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 81239, 162478, 243717, 324956, 406195, 487434, 568673, 649912, 812390, 974868, 1137346, 1218585, 1624780, 1706019, 1949736, 2274692, 2437170, 2843365, 3249560, 3412038, 4549384, 4874340, 5686730, 6824076, 8530095, 9748680, 11373460, 13648152, 17060190, 22746920, 34120380, 68240760]

約数ペア:

[(1, 68240760), (2, 34120380), (3, 22746920), (4, 17060190), (5, 13648152), (6, 11373460), (7, 9748680), (8, 8530095), (10, 6824076), (12, 5686730), (14, 4874340), (15, 4549384), (20, 3412038), (21, 3249560), (24, 2843365), (28, 2437170), (30, 2274692), (35, 1949736), (40, 1706019), (42, 1624780), (56, 1218585), (60, 1137346), (70, 974868), (84, 812390), (105, 649912), (120, 568673), (140, 487434), (168, 406195), (210, 324956), (280, 243717), (420, 162478), (840, 81239)]