61538520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{512821}}^1$

素因数の和:512835

約数の個数: 32

約数和(自身を含む): 184615920

約数和(自身を除く): 123077400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 512821, 1025642, 1538463, 2051284, 2564105, 3076926, 4102568, 5128210, 6153852, 7692315, 10256420, 12307704, 15384630, 20512840, 30769260, 61538520]

約数ペア:

[(1, 61538520), (2, 30769260), (3, 20512840), (4, 15384630), (5, 12307704), (6, 10256420), (8, 7692315), (10, 6153852), (12, 5128210), (15, 4102568), (20, 3076926), (24, 2564105), (30, 2051284), (40, 1538463), (60, 1025642), (120, 512821)]