81380304

素因数分解:

$2^4\times 3^2\times {\mathrm{491}}^1\times {\mathrm{1151}}^1$

素因数の和:1656

約数の個数: 60

約数和(自身を含む): 228413952

約数和(自身を除く): 147033648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 491, 982, 1151, 1473, 1964, 2302, 2946, 3453, 3928, 4419, 4604, 5892, 6906, 7856, 8838, 9208, 10359, 11784, 13812, 17676, 18416, 20718, 23568, 27624, 35352, 41436, 55248, 70704, 82872, 165744, 565141, 1130282, 1695423, 2260564, 3390846, 4521128, 5086269, 6781692, 9042256, 10172538, 13563384, 20345076, 27126768, 40690152, 81380304]

約数ペア:

[(1, 81380304), (2, 40690152), (3, 27126768), (4, 20345076), (6, 13563384), (8, 10172538), (9, 9042256), (12, 6781692), (16, 5086269), (18, 4521128), (24, 3390846), (36, 2260564), (48, 1695423), (72, 1130282), (144, 565141), (491, 165744), (982, 82872), (1151, 70704), (1473, 55248), (1964, 41436), (2302, 35352), (2946, 27624), (3453, 23568), (3928, 20718), (4419, 18416), (4604, 17676), (5892, 13812), (6906, 11784), (7856, 10359), (8838, 9208)]