43740

素因数分解:

$2^2\times 3^7\times 5^1$

素因数の和:30

約数の個数: 48

約数和(自身を含む): 137760

約数和(自身を除く): 94020

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, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1620, 2187, 2430, 2916, 3645, 4374, 4860, 7290, 8748, 10935, 14580, 21870, 43740]

約数ペア:

[(1, 43740), (2, 21870), (3, 14580), (4, 10935), (5, 8748), (6, 7290), (9, 4860), (10, 4374), (12, 3645), (15, 2916), (18, 2430), (20, 2187), (27, 1620), (30, 1458), (36, 1215), (45, 972), (54, 810), (60, 729), (81, 540), (90, 486), (108, 405), (135, 324), (162, 270), (180, 243)]