30878520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257321}}^1$

素因数の和:257335

約数の個数: 32

約数和(自身を含む): 92635920

約数和(自身を除く): 61757400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257321, 514642, 771963, 1029284, 1286605, 1543926, 2058568, 2573210, 3087852, 3859815, 5146420, 6175704, 7719630, 10292840, 15439260, 30878520]

約数ペア:

[(1, 30878520), (2, 15439260), (3, 10292840), (4, 7719630), (5, 6175704), (6, 5146420), (8, 3859815), (10, 3087852), (12, 2573210), (15, 2058568), (20, 1543926), (24, 1286605), (30, 1029284), (40, 771963), (60, 514642), (120, 257321)]