64496040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{76781}}^1$

素因数の和:76802

約数の個数: 64

約数和(自身を含む): 221132160

約数和(自身を除く): 156636120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 76781, 153562, 230343, 307124, 383905, 460686, 537467, 614248, 767810, 921372, 1074934, 1151715, 1535620, 1612401, 1842744, 2149868, 2303430, 2687335, 3071240, 3224802, 4299736, 4606860, 5374670, 6449604, 8062005, 9213720, 10749340, 12899208, 16124010, 21498680, 32248020, 64496040]

約数ペア:

[(1, 64496040), (2, 32248020), (3, 21498680), (4, 16124010), (5, 12899208), (6, 10749340), (7, 9213720), (8, 8062005), (10, 6449604), (12, 5374670), (14, 4606860), (15, 4299736), (20, 3224802), (21, 3071240), (24, 2687335), (28, 2303430), (30, 2149868), (35, 1842744), (40, 1612401), (42, 1535620), (56, 1151715), (60, 1074934), (70, 921372), (84, 767810), (105, 614248), (120, 537467), (140, 460686), (168, 383905), (210, 307124), (280, 230343), (420, 153562), (840, 76781)]