72546520

素因数分解:

$2^3\times 5^1\times {\mathrm{743}}^1\times {\mathrm{2441}}^1$

素因数の和:3195

約数の個数: 32

約数和(自身を含む): 163516320

約数和(自身を除く): 90969800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 743, 1486, 2441, 2972, 3715, 4882, 5944, 7430, 9764, 12205, 14860, 19528, 24410, 29720, 48820, 97640, 1813663, 3627326, 7254652, 9068315, 14509304, 18136630, 36273260, 72546520]

約数ペア:

[(1, 72546520), (2, 36273260), (4, 18136630), (5, 14509304), (8, 9068315), (10, 7254652), (20, 3627326), (40, 1813663), (743, 97640), (1486, 48820), (2441, 29720), (2972, 24410), (3715, 19528), (4882, 14860), (5944, 12205), (7430, 9764)]