20150820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111949}}^1$

素因数の和:111964

約数の個数: 36

約数和(自身を含む): 61124700

約数和(自身を除く): 40973880

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111949, 223898, 335847, 447796, 559745, 671694, 1007541, 1119490, 1343388, 1679235, 2015082, 2238980, 3358470, 4030164, 5037705, 6716940, 10075410, 20150820]

約数ペア:

[(1, 20150820), (2, 10075410), (3, 6716940), (4, 5037705), (5, 4030164), (6, 3358470), (9, 2238980), (10, 2015082), (12, 1679235), (15, 1343388), (18, 1119490), (20, 1007541), (30, 671694), (36, 559745), (45, 447796), (60, 335847), (90, 223898), (180, 111949)]