12784140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71023}}^1$

素因数の和:71038

約数の個数: 36

約数和(自身を含む): 38779104

約数和(自身を除く): 25994964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 71023, 142046, 213069, 284092, 355115, 426138, 639207, 710230, 852276, 1065345, 1278414, 1420460, 2130690, 2556828, 3196035, 4261380, 6392070, 12784140]

約数ペア:

[(1, 12784140), (2, 6392070), (3, 4261380), (4, 3196035), (5, 2556828), (6, 2130690), (9, 1420460), (10, 1278414), (12, 1065345), (15, 852276), (18, 710230), (20, 639207), (30, 426138), (36, 355115), (45, 284092), (60, 213069), (90, 142046), (180, 71023)]