164698520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1129}}^1$

素因数の和:1668

約数の個数: 64

約数和(自身を含む): 424699200

約数和(自身を除く): 260000680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 521, 1042, 1129, 2084, 2258, 2605, 3647, 4168, 4516, 5210, 5645, 7294, 7903, 9032, 10420, 11290, 14588, 15806, 18235, 20840, 22580, 29176, 31612, 36470, 39515, 45160, 63224, 72940, 79030, 145880, 158060, 316120, 588209, 1176418, 2352836, 2941045, 4117463, 4705672, 5882090, 8234926, 11764180, 16469852, 20587315, 23528360, 32939704, 41174630, 82349260, 164698520]

約数ペア:

[(1, 164698520), (2, 82349260), (4, 41174630), (5, 32939704), (7, 23528360), (8, 20587315), (10, 16469852), (14, 11764180), (20, 8234926), (28, 5882090), (35, 4705672), (40, 4117463), (56, 2941045), (70, 2352836), (140, 1176418), (280, 588209), (521, 316120), (1042, 158060), (1129, 145880), (2084, 79030), (2258, 72940), (2605, 63224), (3647, 45160), (4168, 39515), (4516, 36470), (5210, 31612), (5645, 29176), (7294, 22580), (7903, 20840), (9032, 18235), (10420, 15806), (11290, 14588)]