620985920

素因数分解:

$2^6\times 5^1\times {\mathrm{719}}^1\times {\mathrm{2699}}^1$

素因数の和:3435

約数の個数: 56

約数和(自身を含む): 1481328000

約数和(自身を除く): 860342080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 719, 1438, 2699, 2876, 3595, 5398, 5752, 7190, 10796, 11504, 13495, 14380, 21592, 23008, 26990, 28760, 43184, 46016, 53980, 57520, 86368, 107960, 115040, 172736, 215920, 230080, 431840, 863680, 1940581, 3881162, 7762324, 9702905, 15524648, 19405810, 31049296, 38811620, 62098592, 77623240, 124197184, 155246480, 310492960, 620985920]

約数ペア:

[(1, 620985920), (2, 310492960), (4, 155246480), (5, 124197184), (8, 77623240), (10, 62098592), (16, 38811620), (20, 31049296), (32, 19405810), (40, 15524648), (64, 9702905), (80, 7762324), (160, 3881162), (320, 1940581), (719, 863680), (1438, 431840), (2699, 230080), (2876, 215920), (3595, 172736), (5398, 115040), (5752, 107960), (7190, 86368), (10796, 57520), (11504, 53980), (13495, 46016), (14380, 43184), (21592, 28760), (23008, 26990)]