67520620

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{449}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 145454400

約数和(自身を除く): 77933780

約数列:

[1, 2, 4, 5, 10, 20, 73, 103, 146, 206, 292, 365, 412, 449, 515, 730, 898, 1030, 1460, 1796, 2060, 2245, 4490, 7519, 8980, 15038, 30076, 32777, 37595, 46247, 65554, 75190, 92494, 131108, 150380, 163885, 184988, 231235, 327770, 462470, 655540, 924940, 3376031, 6752062, 13504124, 16880155, 33760310, 67520620]

約数ペア:

[(1, 67520620), (2, 33760310), (4, 16880155), (5, 13504124), (10, 6752062), (20, 3376031), (73, 924940), (103, 655540), (146, 462470), (206, 327770), (292, 231235), (365, 184988), (412, 163885), (449, 150380), (515, 131108), (730, 92494), (898, 75190), (1030, 65554), (1460, 46247), (1796, 37595), (2060, 32777), (2245, 30076), (4490, 15038), (7519, 8980)]