268773540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{639937}}^1$

素因数の和:639956

約数の個数: 48

約数和(自身を含む): 860076672

約数和(自身を除く): 591303132

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, 639937, 1279874, 1919811, 2559748, 3199685, 3839622, 4479559, 6399370, 7679244, 8959118, 9599055, 12798740, 13438677, 17918236, 19198110, 22397795, 26877354, 38396220, 44795590, 53754708, 67193385, 89591180, 134386770, 268773540]

約数ペア:

[(1, 268773540), (2, 134386770), (3, 89591180), (4, 67193385), (5, 53754708), (6, 44795590), (7, 38396220), (10, 26877354), (12, 22397795), (14, 19198110), (15, 17918236), (20, 13438677), (21, 12798740), (28, 9599055), (30, 8959118), (35, 7679244), (42, 6399370), (60, 4479559), (70, 3839622), (84, 3199685), (105, 2559748), (140, 1919811), (210, 1279874), (420, 639937)]