72520005

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1879}}^1$

素因数の和:2001

約数の個数: 32

約数和(自身を含む): 121282560

約数和(自身を除く): 48762555

約数列:

[1, 3, 5, 15, 31, 83, 93, 155, 249, 415, 465, 1245, 1879, 2573, 5637, 7719, 9395, 12865, 28185, 38595, 58249, 155957, 174747, 291245, 467871, 779785, 873735, 2339355, 4834667, 14504001, 24173335, 72520005]

約数ペア:

[(1, 72520005), (3, 24173335), (5, 14504001), (15, 4834667), (31, 2339355), (83, 873735), (93, 779785), (155, 467871), (249, 291245), (415, 174747), (465, 155957), (1245, 58249), (1879, 38595), (2573, 28185), (5637, 12865), (7719, 9395)]