217519440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{906331}}^1$

素因数の和:906347

約数の個数: 40

約数和(自身を含む): 674311008

約数和(自身を除く): 456791568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 906331, 1812662, 2718993, 3625324, 4531655, 5437986, 7250648, 9063310, 10875972, 13594965, 14501296, 18126620, 21751944, 27189930, 36253240, 43503888, 54379860, 72506480, 108759720, 217519440]

約数ペア:

[(1, 217519440), (2, 108759720), (3, 72506480), (4, 54379860), (5, 43503888), (6, 36253240), (8, 27189930), (10, 21751944), (12, 18126620), (15, 14501296), (16, 13594965), (20, 10875972), (24, 9063310), (30, 7250648), (40, 5437986), (48, 4531655), (60, 3625324), (80, 2718993), (120, 1812662), (240, 906331)]