71247420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3919}}^1$

素因数の和:4035

約数の個数: 72

約数和(自身を含む): 218312640

約数和(自身を除く): 147065220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 3030, 3636, 3919, 4545, 6060, 7838, 9090, 11757, 15676, 18180, 19595, 23514, 35271, 39190, 47028, 58785, 70542, 78380, 117570, 141084, 176355, 235140, 352710, 395819, 705420, 791638, 1187457, 1583276, 1979095, 2374914, 3562371, 3958190, 4749828, 5937285, 7124742, 7916380, 11874570, 14249484, 17811855, 23749140, 35623710, 71247420]

約数ペア:

[(1, 71247420), (2, 35623710), (3, 23749140), (4, 17811855), (5, 14249484), (6, 11874570), (9, 7916380), (10, 7124742), (12, 5937285), (15, 4749828), (18, 3958190), (20, 3562371), (30, 2374914), (36, 1979095), (45, 1583276), (60, 1187457), (90, 791638), (101, 705420), (180, 395819), (202, 352710), (303, 235140), (404, 176355), (505, 141084), (606, 117570), (909, 78380), (1010, 70542), (1212, 58785), (1515, 47028), (1818, 39190), (2020, 35271), (3030, 23514), (3636, 19595), (3919, 18180), (4545, 15676), (6060, 11757), (7838, 9090)]