661381320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5511511}}^1$

素因数の和:5511525

約数の個数: 32

約数和(自身を含む): 1984144320

約数和(自身を除く): 1322763000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5511511, 11023022, 16534533, 22046044, 27557555, 33069066, 44092088, 55115110, 66138132, 82672665, 110230220, 132276264, 165345330, 220460440, 330690660, 661381320]

約数ペア:

[(1, 661381320), (2, 330690660), (3, 220460440), (4, 165345330), (5, 132276264), (6, 110230220), (8, 82672665), (10, 66138132), (12, 55115110), (15, 44092088), (20, 33069066), (24, 27557555), (30, 22046044), (40, 16534533), (60, 11023022), (120, 5511511)]