2478540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 7025760

約数和(自身を除く): 4547220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 409, 505, 606, 818, 1010, 1212, 1227, 1515, 1636, 2020, 2045, 2454, 3030, 4090, 4908, 6060, 6135, 8180, 12270, 24540, 41309, 82618, 123927, 165236, 206545, 247854, 413090, 495708, 619635, 826180, 1239270, 2478540]

約数ペア:

[(1, 2478540), (2, 1239270), (3, 826180), (4, 619635), (5, 495708), (6, 413090), (10, 247854), (12, 206545), (15, 165236), (20, 123927), (30, 82618), (60, 41309), (101, 24540), (202, 12270), (303, 8180), (404, 6135), (409, 6060), (505, 4908), (606, 4090), (818, 3030), (1010, 2454), (1212, 2045), (1227, 2020), (1515, 1636)]