128400210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{1426669}}^1$

素因数の和:1426682

約数の個数: 24

約数和(自身を含む): 333840780

約数和(自身を除く): 205440570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1426669, 2853338, 4280007, 7133345, 8560014, 12840021, 14266690, 21400035, 25680042, 42800070, 64200105, 128400210]

約数ペア:

[(1, 128400210), (2, 64200105), (3, 42800070), (5, 25680042), (6, 21400035), (9, 14266690), (10, 12840021), (15, 8560014), (18, 7133345), (30, 4280007), (45, 2853338), (90, 1426669)]