3240

素因数分解:

$2^3\times 3^4\times 5^1$

素因数の和:23

約数の個数: 40

約数和(自身を含む): 10890

約数和(自身を除く): 7650

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240]

約数ペア:

[(1, 3240), (2, 1620), (3, 1080), (4, 810), (5, 648), (6, 540), (8, 405), (9, 360), (10, 324), (12, 270), (15, 216), (18, 180), (20, 162), (24, 135), (27, 120), (30, 108), (36, 90), (40, 81), (45, 72), (54, 60)]