161472520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{366983}}^1$

素因数の和:367005

約数の個数: 32

約数和(自身を含む): 396342720

約数和(自身を除く): 234870200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 366983, 733966, 1467932, 1834915, 2935864, 3669830, 4036813, 7339660, 8073626, 14679320, 16147252, 20184065, 32294504, 40368130, 80736260, 161472520]

約数ペア:

[(1, 161472520), (2, 80736260), (4, 40368130), (5, 32294504), (8, 20184065), (10, 16147252), (11, 14679320), (20, 8073626), (22, 7339660), (40, 4036813), (44, 3669830), (55, 2935864), (88, 1834915), (110, 1467932), (220, 733966), (440, 366983)]