80431290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{893681}}^1$

素因数の和:893694

約数の個数: 24

約数和(自身を含む): 209121588

約数和(自身を除く): 128690298

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 893681, 1787362, 2681043, 4468405, 5362086, 8043129, 8936810, 13405215, 16086258, 26810430, 40215645, 80431290]

約数ペア:

[(1, 80431290), (2, 40215645), (3, 26810430), (5, 16086258), (6, 13405215), (9, 8936810), (10, 8043129), (15, 5362086), (18, 4468405), (30, 2681043), (45, 1787362), (90, 893681)]