68948080

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:418

約数の個数: 80

約数和(自身を含む): 167935680

約数和(自身を除く): 98987600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 113, 116, 145, 226, 232, 263, 290, 452, 464, 526, 565, 580, 904, 1052, 1130, 1160, 1315, 1808, 2104, 2260, 2320, 2630, 3277, 4208, 4520, 5260, 6554, 7627, 9040, 10520, 13108, 15254, 16385, 21040, 26216, 29719, 30508, 32770, 38135, 52432, 59438, 61016, 65540, 76270, 118876, 122032, 131080, 148595, 152540, 237752, 262160, 297190, 305080, 475504, 594380, 610160, 861851, 1188760, 1723702, 2377520, 3447404, 4309255, 6894808, 8618510, 13789616, 17237020, 34474040, 68948080]

約数ペア:

[(1, 68948080), (2, 34474040), (4, 17237020), (5, 13789616), (8, 8618510), (10, 6894808), (16, 4309255), (20, 3447404), (29, 2377520), (40, 1723702), (58, 1188760), (80, 861851), (113, 610160), (116, 594380), (145, 475504), (226, 305080), (232, 297190), (263, 262160), (290, 237752), (452, 152540), (464, 148595), (526, 131080), (565, 122032), (580, 118876), (904, 76270), (1052, 65540), (1130, 61016), (1160, 59438), (1315, 52432), (1808, 38135), (2104, 32770), (2260, 30508), (2320, 29719), (2630, 26216), (3277, 21040), (4208, 16385), (4520, 15254), (5260, 13108), (6554, 10520), (7627, 9040)]