68992140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{164267}}^1$

素因数の和:164286

約数の個数: 48

約数和(自身を含む): 220776192

約数和(自身を除く): 151784052

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, 164267, 328534, 492801, 657068, 821335, 985602, 1149869, 1642670, 1971204, 2299738, 2464005, 3285340, 3449607, 4599476, 4928010, 5749345, 6899214, 9856020, 11498690, 13798428, 17248035, 22997380, 34496070, 68992140]

約数ペア:

[(1, 68992140), (2, 34496070), (3, 22997380), (4, 17248035), (5, 13798428), (6, 11498690), (7, 9856020), (10, 6899214), (12, 5749345), (14, 4928010), (15, 4599476), (20, 3449607), (21, 3285340), (28, 2464005), (30, 2299738), (35, 1971204), (42, 1642670), (60, 1149869), (70, 985602), (84, 821335), (105, 657068), (140, 492801), (210, 328534), (420, 164267)]