164295880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4283}}^1$

素因数の和:4438

約数の個数: 64

約数和(自身を含む): 425658240

約数和(自身を除く): 261362360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 274, 280, 548, 685, 959, 1096, 1370, 1918, 2740, 3836, 4283, 4795, 5480, 7672, 8566, 9590, 17132, 19180, 21415, 29981, 34264, 38360, 42830, 59962, 85660, 119924, 149905, 171320, 239848, 299810, 586771, 599620, 1173542, 1199240, 2347084, 2933855, 4107397, 4694168, 5867710, 8214794, 11735420, 16429588, 20536985, 23470840, 32859176, 41073970, 82147940, 164295880]

約数ペア:

[(1, 164295880), (2, 82147940), (4, 41073970), (5, 32859176), (7, 23470840), (8, 20536985), (10, 16429588), (14, 11735420), (20, 8214794), (28, 5867710), (35, 4694168), (40, 4107397), (56, 2933855), (70, 2347084), (137, 1199240), (140, 1173542), (274, 599620), (280, 586771), (548, 299810), (685, 239848), (959, 171320), (1096, 149905), (1370, 119924), (1918, 85660), (2740, 59962), (3836, 42830), (4283, 38360), (4795, 34264), (5480, 29981), (7672, 21415), (8566, 19180), (9590, 17132)]