131159680

素因数分解:

$2^7\times 5^1\times {\mathrm{223}}^1\times {\mathrm{919}}^1$

素因数の和:1161

約数の個数: 64

約数和(自身を含む): 315302400

約数和(自身を除く): 184142720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 320, 446, 640, 892, 919, 1115, 1784, 1838, 2230, 3568, 3676, 4460, 4595, 7136, 7352, 8920, 9190, 14272, 14704, 17840, 18380, 28544, 29408, 35680, 36760, 58816, 71360, 73520, 117632, 142720, 147040, 204937, 294080, 409874, 588160, 819748, 1024685, 1639496, 2049370, 3278992, 4098740, 6557984, 8197480, 13115968, 16394960, 26231936, 32789920, 65579840, 131159680]

約数ペア:

[(1, 131159680), (2, 65579840), (4, 32789920), (5, 26231936), (8, 16394960), (10, 13115968), (16, 8197480), (20, 6557984), (32, 4098740), (40, 3278992), (64, 2049370), (80, 1639496), (128, 1024685), (160, 819748), (223, 588160), (320, 409874), (446, 294080), (640, 204937), (892, 147040), (919, 142720), (1115, 117632), (1784, 73520), (1838, 71360), (2230, 58816), (3568, 36760), (3676, 35680), (4460, 29408), (4595, 28544), (7136, 18380), (7352, 17840), (8920, 14704), (9190, 14272)]