205178580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1409}}^1$

素因数の和:2233

約数の個数: 72

約数和(自身を含む): 623586600

約数和(自身を除く): 418408020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 809, 1409, 1618, 2427, 2818, 3236, 4045, 4227, 4854, 5636, 7045, 7281, 8090, 8454, 9708, 12135, 12681, 14090, 14562, 16180, 16908, 21135, 24270, 25362, 28180, 29124, 36405, 42270, 48540, 50724, 63405, 72810, 84540, 126810, 145620, 253620, 1139881, 2279762, 3419643, 4559524, 5699405, 6839286, 10258929, 11398810, 13678572, 17098215, 20517858, 22797620, 34196430, 41035716, 51294645, 68392860, 102589290, 205178580]

約数ペア:

[(1, 205178580), (2, 102589290), (3, 68392860), (4, 51294645), (5, 41035716), (6, 34196430), (9, 22797620), (10, 20517858), (12, 17098215), (15, 13678572), (18, 11398810), (20, 10258929), (30, 6839286), (36, 5699405), (45, 4559524), (60, 3419643), (90, 2279762), (180, 1139881), (809, 253620), (1409, 145620), (1618, 126810), (2427, 84540), (2818, 72810), (3236, 63405), (4045, 50724), (4227, 48540), (4854, 42270), (5636, 36405), (7045, 29124), (7281, 28180), (8090, 25362), (8454, 24270), (9708, 21135), (12135, 16908), (12681, 16180), (14090, 14562)]