240647560

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{113513}}^1$

素因数の和:113577

約数の個数: 32

約数和(自身を含む): 551678040

約数和(自身を除く): 311030480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 113513, 227026, 454052, 567565, 908104, 1135130, 2270260, 4540520, 6016189, 12032378, 24064756, 30080945, 48129512, 60161890, 120323780, 240647560]

約数ペア:

[(1, 240647560), (2, 120323780), (4, 60161890), (5, 48129512), (8, 30080945), (10, 24064756), (20, 12032378), (40, 6016189), (53, 4540520), (106, 2270260), (212, 1135130), (265, 908104), (424, 567565), (530, 454052), (1060, 227026), (2120, 113513)]