1289366940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{21489449}}^1$

素因数の和:21489461

約数の個数: 24

約数和(自身を含む): 3610227600

約数和(自身を除く): 2320860660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21489449, 42978898, 64468347, 85957796, 107447245, 128936694, 214894490, 257873388, 322341735, 429788980, 644683470, 1289366940]

約数ペア:

[(1, 1289366940), (2, 644683470), (3, 429788980), (4, 322341735), (5, 257873388), (6, 214894490), (10, 128936694), (12, 107447245), (15, 85957796), (20, 64468347), (30, 42978898), (60, 21489449)]