68257140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{162517}}^1$

素因数の和:162536

約数の個数: 48

約数和(自身を含む): 218424192

約数和(自身を除く): 150167052

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, 162517, 325034, 487551, 650068, 812585, 975102, 1137619, 1625170, 1950204, 2275238, 2437755, 3250340, 3412857, 4550476, 4875510, 5688095, 6825714, 9751020, 11376190, 13651428, 17064285, 22752380, 34128570, 68257140]

約数ペア:

[(1, 68257140), (2, 34128570), (3, 22752380), (4, 17064285), (5, 13651428), (6, 11376190), (7, 9751020), (10, 6825714), (12, 5688095), (14, 4875510), (15, 4550476), (20, 3412857), (21, 3250340), (28, 2437755), (30, 2275238), (35, 1950204), (42, 1625170), (60, 1137619), (70, 975102), (84, 812585), (105, 650068), (140, 487551), (210, 325034), (420, 162517)]