80901180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{49939}}^1$

素因数の和:49960

約数の個数: 60

約数和(自身を含む): 253795080

約数和(自身を除く): 172893900

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, 49939, 99878, 149817, 199756, 249695, 299634, 449451, 499390, 599268, 749085, 898902, 998780, 1348353, 1498170, 1797804, 2247255, 2696706, 2996340, 4045059, 4494510, 5393412, 6741765, 8090118, 8989020, 13483530, 16180236, 20225295, 26967060, 40450590, 80901180]

約数ペア:

[(1, 80901180), (2, 40450590), (3, 26967060), (4, 20225295), (5, 16180236), (6, 13483530), (9, 8989020), (10, 8090118), (12, 6741765), (15, 5393412), (18, 4494510), (20, 4045059), (27, 2996340), (30, 2696706), (36, 2247255), (45, 1797804), (54, 1498170), (60, 1348353), (81, 998780), (90, 898902), (108, 749085), (135, 599268), (162, 499390), (180, 449451), (270, 299634), (324, 249695), (405, 199756), (540, 149817), (810, 99878), (1620, 49939)]