71121420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{395119}}^1$

素因数の和:395134

約数の個数: 36

約数和(自身を含む): 215735520

約数和(自身を除く): 144614100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 395119, 790238, 1185357, 1580476, 1975595, 2370714, 3556071, 3951190, 4741428, 5926785, 7112142, 7902380, 11853570, 14224284, 17780355, 23707140, 35560710, 71121420]

約数ペア:

[(1, 71121420), (2, 35560710), (3, 23707140), (4, 17780355), (5, 14224284), (6, 11853570), (9, 7902380), (10, 7112142), (12, 5926785), (15, 4741428), (18, 3951190), (20, 3556071), (30, 2370714), (36, 1975595), (45, 1580476), (60, 1185357), (90, 790238), (180, 395119)]