64756020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{154181}}^1$

素因数の和:154200

約数の個数: 48

約数和(自身を含む): 207220608

約数和(自身を除く): 142464588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 154181, 308362, 462543, 616724, 770905, 925086, 1079267, 1541810, 1850172, 2158534, 2312715, 3083620, 3237801, 4317068, 4625430, 5396335, 6475602, 9250860, 10792670, 12951204, 16189005, 21585340, 32378010, 64756020]

約数ペア:

[(1, 64756020), (2, 32378010), (3, 21585340), (4, 16189005), (5, 12951204), (6, 10792670), (7, 9250860), (10, 6475602), (12, 5396335), (14, 4625430), (15, 4317068), (20, 3237801), (21, 3083620), (28, 2312715), (30, 2158534), (35, 1850172), (42, 1541810), (60, 1079267), (70, 925086), (84, 770905), (105, 616724), (140, 462543), (210, 308362), (420, 154181)]