987780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 2810304

約数和(自身を除く): 1822524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 163, 202, 303, 326, 404, 489, 505, 606, 652, 815, 978, 1010, 1212, 1515, 1630, 1956, 2020, 2445, 3030, 3260, 4890, 6060, 9780, 16463, 32926, 49389, 65852, 82315, 98778, 164630, 197556, 246945, 329260, 493890, 987780]

約数ペア:

[(1, 987780), (2, 493890), (3, 329260), (4, 246945), (5, 197556), (6, 164630), (10, 98778), (12, 82315), (15, 65852), (20, 49389), (30, 32926), (60, 16463), (101, 9780), (163, 6060), (202, 4890), (303, 3260), (326, 3030), (404, 2445), (489, 2020), (505, 1956), (606, 1630), (652, 1515), (815, 1212), (978, 1010)]