128400630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{4280021}}^1$

素因数の和:4280031

約数の個数: 16

約数和(自身を含む): 308161584

約数和(自身を除く): 179760954

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 4280021, 8560042, 12840063, 21400105, 25680126, 42800210, 64200315, 128400630]

約数ペア:

[(1, 128400630), (2, 64200315), (3, 42800210), (5, 25680126), (6, 21400105), (10, 12840063), (15, 8560042), (30, 4280021)]