64855140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{154417}}^1$

素因数の和:154436

約数の個数: 48

約数和(自身を含む): 207537792

約数和(自身を除く): 142682652

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, 154417, 308834, 463251, 617668, 772085, 926502, 1080919, 1544170, 1853004, 2161838, 2316255, 3088340, 3242757, 4323676, 4632510, 5404595, 6485514, 9265020, 10809190, 12971028, 16213785, 21618380, 32427570, 64855140]

約数ペア:

[(1, 64855140), (2, 32427570), (3, 21618380), (4, 16213785), (5, 12971028), (6, 10809190), (7, 9265020), (10, 6485514), (12, 5404595), (14, 4632510), (15, 4323676), (20, 3242757), (21, 3088340), (28, 2316255), (30, 2161838), (35, 1853004), (42, 1544170), (60, 1080919), (70, 926502), (84, 772085), (105, 617668), (140, 463251), (210, 308834), (420, 154417)]