71371620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{396509}}^1$

素因数の和:396524

約数の個数: 36

約数和(自身を含む): 216494460

約数和(自身を除く): 145122840

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 396509, 793018, 1189527, 1586036, 1982545, 2379054, 3568581, 3965090, 4758108, 5947635, 7137162, 7930180, 11895270, 14274324, 17842905, 23790540, 35685810, 71371620]

約数ペア:

[(1, 71371620), (2, 35685810), (3, 23790540), (4, 17842905), (5, 14274324), (6, 11895270), (9, 7930180), (10, 7137162), (12, 5947635), (15, 4758108), (18, 3965090), (20, 3568581), (30, 2379054), (36, 1982545), (45, 1586036), (60, 1189527), (90, 793018), (180, 396509)]