1290019260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{21500321}}^1$

素因数の和:21500333

約数の個数: 24

約数和(自身を含む): 3612054096

約数和(自身を除く): 2322034836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21500321, 43000642, 64500963, 86001284, 107501605, 129001926, 215003210, 258003852, 322504815, 430006420, 645009630, 1290019260]

約数ペア:

[(1, 1290019260), (2, 645009630), (3, 430006420), (4, 322504815), (5, 258003852), (6, 215003210), (10, 129001926), (12, 107501605), (15, 86001284), (20, 64500963), (30, 43000642), (60, 21500321)]