74287160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 174182400

約数和(自身を除く): 99895240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 139, 155, 248, 278, 310, 431, 556, 620, 695, 862, 1112, 1240, 1390, 1724, 2155, 2780, 3448, 4309, 4310, 5560, 8618, 8620, 13361, 17236, 17240, 21545, 26722, 34472, 43090, 53444, 59909, 66805, 86180, 106888, 119818, 133610, 172360, 239636, 267220, 299545, 479272, 534440, 599090, 1198180, 1857179, 2396360, 3714358, 7428716, 9285895, 14857432, 18571790, 37143580, 74287160]

約数ペア:

[(1, 74287160), (2, 37143580), (4, 18571790), (5, 14857432), (8, 9285895), (10, 7428716), (20, 3714358), (31, 2396360), (40, 1857179), (62, 1198180), (124, 599090), (139, 534440), (155, 479272), (248, 299545), (278, 267220), (310, 239636), (431, 172360), (556, 133610), (620, 119818), (695, 106888), (862, 86180), (1112, 66805), (1240, 59909), (1390, 53444), (1724, 43090), (2155, 34472), (2780, 26722), (3448, 21545), (4309, 17240), (4310, 17236), (5560, 13361), (8618, 8620)]