390186840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{3251557}}^1$

素因数の和:3251571

約数の個数: 32

約数和(自身を含む): 1170560880

約数和(自身を除く): 780374040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 3251557, 6503114, 9754671, 13006228, 16257785, 19509342, 26012456, 32515570, 39018684, 48773355, 65031140, 78037368, 97546710, 130062280, 195093420, 390186840]

約数ペア:

[(1, 390186840), (2, 195093420), (3, 130062280), (4, 97546710), (5, 78037368), (6, 65031140), (8, 48773355), (10, 39018684), (12, 32515570), (15, 26012456), (20, 19509342), (24, 16257785), (30, 13006228), (40, 9754671), (60, 6503114), (120, 3251557)]