15516420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{258607}}^1$

素因数の和:258619

約数の個数: 24

約数和(自身を含む): 43446144

約数和(自身を除く): 27929724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 258607, 517214, 775821, 1034428, 1293035, 1551642, 2586070, 3103284, 3879105, 5172140, 7758210, 15516420]

約数ペア:

[(1, 15516420), (2, 7758210), (3, 5172140), (4, 3879105), (5, 3103284), (6, 2586070), (10, 1551642), (12, 1293035), (15, 1034428), (20, 775821), (30, 517214), (60, 258607)]