218921520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{912173}}^1$

素因数の和:912189

約数の個数: 40

約数和(自身を含む): 678657456

約数和(自身を除く): 459735936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 912173, 1824346, 2736519, 3648692, 4560865, 5473038, 7297384, 9121730, 10946076, 13682595, 14594768, 18243460, 21892152, 27365190, 36486920, 43784304, 54730380, 72973840, 109460760, 218921520]

約数ペア:

[(1, 218921520), (2, 109460760), (3, 72973840), (4, 54730380), (5, 43784304), (6, 36486920), (8, 27365190), (10, 21892152), (12, 18243460), (15, 14594768), (16, 13682595), (20, 10946076), (24, 9121730), (30, 7297384), (40, 5473038), (48, 4560865), (60, 3648692), (80, 2736519), (120, 1824346), (240, 912173)]