240630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 622944

約数和(自身を除く): 382314

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 617, 1234, 1851, 3085, 3702, 6170, 8021, 9255, 16042, 18510, 24063, 40105, 48126, 80210, 120315, 240630]

約数ペア:

[(1, 240630), (2, 120315), (3, 80210), (5, 48126), (6, 40105), (10, 24063), (13, 18510), (15, 16042), (26, 9255), (30, 8021), (39, 6170), (65, 3702), (78, 3085), (130, 1851), (195, 1234), (390, 617)]