72103140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1009}}^1$

素因数の和:1421

約数の個数: 72

約数和(自身を含む): 219481080

約数和(自身を除く): 147377940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 397, 794, 1009, 1191, 1588, 1985, 2018, 2382, 3027, 3573, 3970, 4036, 4764, 5045, 5955, 6054, 7146, 7940, 9081, 10090, 11910, 12108, 14292, 15135, 17865, 18162, 20180, 23820, 30270, 35730, 36324, 45405, 60540, 71460, 90810, 181620, 400573, 801146, 1201719, 1602292, 2002865, 2403438, 3605157, 4005730, 4806876, 6008595, 7210314, 8011460, 12017190, 14420628, 18025785, 24034380, 36051570, 72103140]

約数ペア:

[(1, 72103140), (2, 36051570), (3, 24034380), (4, 18025785), (5, 14420628), (6, 12017190), (9, 8011460), (10, 7210314), (12, 6008595), (15, 4806876), (18, 4005730), (20, 3605157), (30, 2403438), (36, 2002865), (45, 1602292), (60, 1201719), (90, 801146), (180, 400573), (397, 181620), (794, 90810), (1009, 71460), (1191, 60540), (1588, 45405), (1985, 36324), (2018, 35730), (2382, 30270), (3027, 23820), (3573, 20180), (3970, 18162), (4036, 17865), (4764, 15135), (5045, 14292), (5955, 12108), (6054, 11910), (7146, 10090), (7940, 9081)]