161690580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{99809}}^1$

素因数の和:99830

約数の個数: 60

約数和(自身を含む): 507234420

約数和(自身を除く): 345543840

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 99809, 199618, 299427, 399236, 499045, 598854, 898281, 998090, 1197708, 1497135, 1796562, 1996180, 2694843, 2994270, 3593124, 4491405, 5389686, 5988540, 8084529, 8982810, 10779372, 13474215, 16169058, 17965620, 26948430, 32338116, 40422645, 53896860, 80845290, 161690580]

約数ペア:

[(1, 161690580), (2, 80845290), (3, 53896860), (4, 40422645), (5, 32338116), (6, 26948430), (9, 17965620), (10, 16169058), (12, 13474215), (15, 10779372), (18, 8982810), (20, 8084529), (27, 5988540), (30, 5389686), (36, 4491405), (45, 3593124), (54, 2994270), (60, 2694843), (81, 1996180), (90, 1796562), (108, 1497135), (135, 1197708), (162, 998090), (180, 898281), (270, 598854), (324, 499045), (405, 399236), (540, 299427), (810, 199618), (1620, 99809)]