78674680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9689}}^1$

素因数の和:9736

約数の個数: 64

約数和(自身を含む): 209304000

約数和(自身を除く): 130629320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 9689, 19378, 38756, 48445, 67823, 77512, 96890, 135646, 193780, 271292, 280981, 339115, 387560, 542584, 561962, 678230, 1123924, 1356460, 1404905, 1966867, 2247848, 2712920, 2809810, 3933734, 5619620, 7867468, 9834335, 11239240, 15734936, 19668670, 39337340, 78674680]

約数ペア:

[(1, 78674680), (2, 39337340), (4, 19668670), (5, 15734936), (7, 11239240), (8, 9834335), (10, 7867468), (14, 5619620), (20, 3933734), (28, 2809810), (29, 2712920), (35, 2247848), (40, 1966867), (56, 1404905), (58, 1356460), (70, 1123924), (116, 678230), (140, 561962), (145, 542584), (203, 387560), (232, 339115), (280, 280981), (290, 271292), (406, 193780), (580, 135646), (812, 96890), (1015, 77512), (1160, 67823), (1624, 48445), (2030, 38756), (4060, 19378), (8120, 9689)]