12786680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 30369600

約数和(自身を除く): 17582920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 73, 116, 145, 146, 151, 232, 290, 292, 302, 365, 580, 584, 604, 730, 755, 1160, 1208, 1460, 1510, 2117, 2920, 3020, 4234, 4379, 6040, 8468, 8758, 10585, 11023, 16936, 17516, 21170, 21895, 22046, 35032, 42340, 43790, 44092, 55115, 84680, 87580, 88184, 110230, 175160, 220460, 319667, 440920, 639334, 1278668, 1598335, 2557336, 3196670, 6393340, 12786680]

約数ペア:

[(1, 12786680), (2, 6393340), (4, 3196670), (5, 2557336), (8, 1598335), (10, 1278668), (20, 639334), (29, 440920), (40, 319667), (58, 220460), (73, 175160), (116, 110230), (145, 88184), (146, 87580), (151, 84680), (232, 55115), (290, 44092), (292, 43790), (302, 42340), (365, 35032), (580, 22046), (584, 21895), (604, 21170), (730, 17516), (755, 16936), (1160, 11023), (1208, 10585), (1460, 8758), (1510, 8468), (2117, 6040), (2920, 4379), (3020, 4234)]