31487280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11927}}^1$

素因数の和:11954

約数の個数: 80

約数和(自身を含む): 106493184

約数和(自身を除く): 75005904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 11927, 23854, 35781, 47708, 59635, 71562, 95416, 119270, 131197, 143124, 178905, 190832, 238540, 262394, 286248, 357810, 393591, 477080, 524788, 572496, 655985, 715620, 787182, 954160, 1049576, 1311970, 1431240, 1574364, 1967955, 2099152, 2623940, 2862480, 3148728, 3935910, 5247880, 6297456, 7871820, 10495760, 15743640, 31487280]

約数ペア:

[(1, 31487280), (2, 15743640), (3, 10495760), (4, 7871820), (5, 6297456), (6, 5247880), (8, 3935910), (10, 3148728), (11, 2862480), (12, 2623940), (15, 2099152), (16, 1967955), (20, 1574364), (22, 1431240), (24, 1311970), (30, 1049576), (33, 954160), (40, 787182), (44, 715620), (48, 655985), (55, 572496), (60, 524788), (66, 477080), (80, 393591), (88, 357810), (110, 286248), (120, 262394), (132, 238540), (165, 190832), (176, 178905), (220, 143124), (240, 131197), (264, 119270), (330, 95416), (440, 71562), (528, 59635), (660, 47708), (880, 35781), (1320, 23854), (2640, 11927)]