16761080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1931}}^1$

素因数の和:1980

約数の個数: 64

約数和(自身を含む): 44513280

約数和(自身を除く): 27752200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 1931, 2170, 3862, 4340, 7724, 8680, 9655, 13517, 15448, 19310, 27034, 38620, 54068, 59861, 67585, 77240, 108136, 119722, 135170, 239444, 270340, 299305, 419027, 478888, 540680, 598610, 838054, 1197220, 1676108, 2095135, 2394440, 3352216, 4190270, 8380540, 16761080]

約数ペア:

[(1, 16761080), (2, 8380540), (4, 4190270), (5, 3352216), (7, 2394440), (8, 2095135), (10, 1676108), (14, 1197220), (20, 838054), (28, 598610), (31, 540680), (35, 478888), (40, 419027), (56, 299305), (62, 270340), (70, 239444), (124, 135170), (140, 119722), (155, 108136), (217, 77240), (248, 67585), (280, 59861), (310, 54068), (434, 38620), (620, 27034), (868, 19310), (1085, 15448), (1240, 13517), (1736, 9655), (1931, 8680), (2170, 7724), (3862, 4340)]