31146498960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{64921}}^1$

素因数の和:66936

約数の個数: 80

約数和(自身を含む): 96603936000

約数和(自身を除く): 65457437040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1999, 3998, 5997, 7996, 9995, 11994, 15992, 19990, 23988, 29985, 31984, 39980, 47976, 59970, 64921, 79960, 95952, 119940, 129842, 159920, 194763, 239880, 259684, 324605, 389526, 479760, 519368, 649210, 779052, 973815, 1038736, 1298420, 1558104, 1947630, 2596840, 3116208, 3895260, 5193680, 7790520, 15581040, 129777079, 259554158, 389331237, 519108316, 648885395, 778662474, 1038216632, 1297770790, 1557324948, 1946656185, 2076433264, 2595541580, 3114649896, 3893312370, 5191083160, 6229299792, 7786624740, 10382166320, 15573249480, 31146498960]

約数ペア:

[(1, 31146498960), (2, 15573249480), (3, 10382166320), (4, 7786624740), (5, 6229299792), (6, 5191083160), (8, 3893312370), (10, 3114649896), (12, 2595541580), (15, 2076433264), (16, 1946656185), (20, 1557324948), (24, 1297770790), (30, 1038216632), (40, 778662474), (48, 648885395), (60, 519108316), (80, 389331237), (120, 259554158), (240, 129777079), (1999, 15581040), (3998, 7790520), (5997, 5193680), (7996, 3895260), (9995, 3116208), (11994, 2596840), (15992, 1947630), (19990, 1558104), (23988, 1298420), (29985, 1038736), (31984, 973815), (39980, 779052), (47976, 649210), (59970, 519368), (64921, 479760), (79960, 389526), (95952, 324605), (119940, 259684), (129842, 239880), (159920, 194763)]