999660720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{134363}}^1$

素因数の和:134410

約数の個数: 80

約数和(自身を含む): 3198938112

約数和(自身を除く): 2199277392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 134363, 268726, 403089, 537452, 671815, 806178, 1074904, 1343630, 1612356, 2015445, 2149808, 2687260, 3224712, 4030890, 4165253, 5374520, 6449424, 8061780, 8330506, 10749040, 12495759, 16123560, 16661012, 20826265, 24991518, 32247120, 33322024, 41652530, 49983036, 62478795, 66644048, 83305060, 99966072, 124957590, 166610120, 199932144, 249915180, 333220240, 499830360, 999660720]

約数ペア:

[(1, 999660720), (2, 499830360), (3, 333220240), (4, 249915180), (5, 199932144), (6, 166610120), (8, 124957590), (10, 99966072), (12, 83305060), (15, 66644048), (16, 62478795), (20, 49983036), (24, 41652530), (30, 33322024), (31, 32247120), (40, 24991518), (48, 20826265), (60, 16661012), (62, 16123560), (80, 12495759), (93, 10749040), (120, 8330506), (124, 8061780), (155, 6449424), (186, 5374520), (240, 4165253), (248, 4030890), (310, 3224712), (372, 2687260), (465, 2149808), (496, 2015445), (620, 1612356), (744, 1343630), (930, 1074904), (1240, 806178), (1488, 671815), (1860, 537452), (2480, 403089), (3720, 268726), (7440, 134363)]