64138575

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{797}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 112805280

約数和(自身を除く): 48666705

約数列:

[1, 3, 5, 15, 25, 29, 37, 75, 87, 111, 145, 185, 435, 555, 725, 797, 925, 1073, 2175, 2391, 2775, 3219, 3985, 5365, 11955, 16095, 19925, 23113, 26825, 29489, 59775, 69339, 80475, 88467, 115565, 147445, 346695, 442335, 577825, 737225, 855181, 1733475, 2211675, 2565543, 4275905, 12827715, 21379525, 64138575]

約数ペア:

[(1, 64138575), (3, 21379525), (5, 12827715), (15, 4275905), (25, 2565543), (29, 2211675), (37, 1733475), (75, 855181), (87, 737225), (111, 577825), (145, 442335), (185, 346695), (435, 147445), (555, 115565), (725, 88467), (797, 80475), (925, 69339), (1073, 59775), (2175, 29489), (2391, 26825), (2775, 23113), (3219, 19925), (3985, 16095), (5365, 11955)]