64761460

素因数分解:

$2^2\times 5^1\times {\mathrm{1511}}^1\times {\mathrm{2143}}^1$

素因数の和:3663

約数の個数: 24

約数和(自身を含む): 136152576

約数和(自身を除く): 71391116

約数列:

[1, 2, 4, 5, 10, 20, 1511, 2143, 3022, 4286, 6044, 7555, 8572, 10715, 15110, 21430, 30220, 42860, 3238073, 6476146, 12952292, 16190365, 32380730, 64761460]

約数ペア:

[(1, 64761460), (2, 32380730), (4, 16190365), (5, 12952292), (10, 6476146), (20, 3238073), (1511, 42860), (2143, 30220), (3022, 21430), (4286, 15110), (6044, 10715), (7555, 8572)]