31190820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{5147}}^1$

素因数の和:5260

約数の個数: 48

約数和(自身を含む): 88216128

約数和(自身を除く): 57025308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 5147, 6060, 10294, 15441, 20588, 25735, 30882, 51470, 61764, 77205, 102940, 154410, 308820, 519847, 1039694, 1559541, 2079388, 2599235, 3119082, 5198470, 6238164, 7797705, 10396940, 15595410, 31190820]

約数ペア:

[(1, 31190820), (2, 15595410), (3, 10396940), (4, 7797705), (5, 6238164), (6, 5198470), (10, 3119082), (12, 2599235), (15, 2079388), (20, 1559541), (30, 1039694), (60, 519847), (101, 308820), (202, 154410), (303, 102940), (404, 77205), (505, 61764), (606, 51470), (1010, 30882), (1212, 25735), (1515, 20588), (2020, 15441), (3030, 10294), (5147, 6060)]