68795720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{887}}^1$

素因数の和:1182

約数の個数: 64

約数和(自身を含む): 177742080

約数和(自身を除く): 108946360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 277, 280, 554, 887, 1108, 1385, 1774, 1939, 2216, 2770, 3548, 3878, 4435, 5540, 6209, 7096, 7756, 8870, 9695, 11080, 12418, 15512, 17740, 19390, 24836, 31045, 35480, 38780, 49672, 62090, 77560, 124180, 245699, 248360, 491398, 982796, 1228495, 1719893, 1965592, 2456990, 3439786, 4913980, 6879572, 8599465, 9827960, 13759144, 17198930, 34397860, 68795720]

約数ペア:

[(1, 68795720), (2, 34397860), (4, 17198930), (5, 13759144), (7, 9827960), (8, 8599465), (10, 6879572), (14, 4913980), (20, 3439786), (28, 2456990), (35, 1965592), (40, 1719893), (56, 1228495), (70, 982796), (140, 491398), (277, 248360), (280, 245699), (554, 124180), (887, 77560), (1108, 62090), (1385, 49672), (1774, 38780), (1939, 35480), (2216, 31045), (2770, 24836), (3548, 19390), (3878, 17740), (4435, 15512), (5540, 12418), (6209, 11080), (7096, 9695), (7756, 8870)]