79781580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{443231}}^1$

素因数の和:443246

約数の個数: 36

約数和(自身を含む): 242004672

約数和(自身を除く): 162223092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443231, 886462, 1329693, 1772924, 2216155, 2659386, 3989079, 4432310, 5318772, 6648465, 7978158, 8864620, 13296930, 15956316, 19945395, 26593860, 39890790, 79781580]

約数ペア:

[(1, 79781580), (2, 39890790), (3, 26593860), (4, 19945395), (5, 15956316), (6, 13296930), (9, 8864620), (10, 7978158), (12, 6648465), (15, 5318772), (18, 4432310), (20, 3989079), (30, 2659386), (36, 2216155), (45, 1772924), (60, 1329693), (90, 886462), (180, 443231)]