215738520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1797821}}^1$

素因数の和:1797835

約数の個数: 32

約数和(自身を含む): 647215920

約数和(自身を除く): 431477400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1797821, 3595642, 5393463, 7191284, 8989105, 10786926, 14382568, 17978210, 21573852, 26967315, 35956420, 43147704, 53934630, 71912840, 107869260, 215738520]

約数ペア:

[(1, 215738520), (2, 107869260), (3, 71912840), (4, 53934630), (5, 43147704), (6, 35956420), (8, 26967315), (10, 21573852), (12, 17978210), (15, 14382568), (20, 10786926), (24, 8989105), (30, 7191284), (40, 5393463), (60, 3595642), (120, 1797821)]