64975960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{33151}}^1$

素因数の和:33176

約数の個数: 48

約数和(自身を含む): 170069760

約数和(自身を除く): 105093800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 33151, 66302, 132604, 165755, 232057, 265208, 331510, 464114, 663020, 928228, 1160285, 1326040, 1624399, 1856456, 2320570, 3248798, 4641140, 6497596, 8121995, 9282280, 12995192, 16243990, 32487980, 64975960]

約数ペア:

[(1, 64975960), (2, 32487980), (4, 16243990), (5, 12995192), (7, 9282280), (8, 8121995), (10, 6497596), (14, 4641140), (20, 3248798), (28, 2320570), (35, 1856456), (40, 1624399), (49, 1326040), (56, 1160285), (70, 928228), (98, 663020), (140, 464114), (196, 331510), (245, 265208), (280, 232057), (392, 165755), (490, 132604), (980, 66302), (1960, 33151)]