142506180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1279}}^1$

素因数の和:1913

約数の個数: 72

約数和(自身を含む): 433305600

約数和(自身を除く): 290799420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 619, 1238, 1279, 1857, 2476, 2558, 3095, 3714, 3837, 5116, 5571, 6190, 6395, 7428, 7674, 9285, 11142, 11511, 12380, 12790, 15348, 18570, 19185, 22284, 23022, 25580, 27855, 37140, 38370, 46044, 55710, 57555, 76740, 111420, 115110, 230220, 791701, 1583402, 2375103, 3166804, 3958505, 4750206, 7125309, 7917010, 9500412, 11875515, 14250618, 15834020, 23751030, 28501236, 35626545, 47502060, 71253090, 142506180]

約数ペア:

[(1, 142506180), (2, 71253090), (3, 47502060), (4, 35626545), (5, 28501236), (6, 23751030), (9, 15834020), (10, 14250618), (12, 11875515), (15, 9500412), (18, 7917010), (20, 7125309), (30, 4750206), (36, 3958505), (45, 3166804), (60, 2375103), (90, 1583402), (180, 791701), (619, 230220), (1238, 115110), (1279, 111420), (1857, 76740), (2476, 57555), (2558, 55710), (3095, 46044), (3714, 38370), (3837, 37140), (5116, 27855), (5571, 25580), (6190, 23022), (6395, 22284), (7428, 19185), (7674, 18570), (9285, 15348), (11142, 12790), (11511, 12380)]