66940440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79691}}^1$

素因数の和:79712

約数の個数: 64

約数和(自身を含む): 229512960

約数和(自身を除く): 162572520

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, 79691, 159382, 239073, 318764, 398455, 478146, 557837, 637528, 796910, 956292, 1115674, 1195365, 1593820, 1673511, 1912584, 2231348, 2390730, 2789185, 3187640, 3347022, 4462696, 4781460, 5578370, 6694044, 8367555, 9562920, 11156740, 13388088, 16735110, 22313480, 33470220, 66940440]

約数ペア:

[(1, 66940440), (2, 33470220), (3, 22313480), (4, 16735110), (5, 13388088), (6, 11156740), (7, 9562920), (8, 8367555), (10, 6694044), (12, 5578370), (14, 4781460), (15, 4462696), (20, 3347022), (21, 3187640), (24, 2789185), (28, 2390730), (30, 2231348), (35, 1912584), (40, 1673511), (42, 1593820), (56, 1195365), (60, 1115674), (70, 956292), (84, 796910), (105, 637528), (120, 557837), (140, 478146), (168, 398455), (210, 318764), (280, 239073), (420, 159382), (840, 79691)]