66778020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{41221}}^1$

素因数の和:41242

約数の個数: 60

約数和(自身を含む): 209490204

約数和(自身を除く): 142712184

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 41221, 82442, 123663, 164884, 206105, 247326, 370989, 412210, 494652, 618315, 741978, 824420, 1112967, 1236630, 1483956, 1854945, 2225934, 2473260, 3338901, 3709890, 4451868, 5564835, 6677802, 7419780, 11129670, 13355604, 16694505, 22259340, 33389010, 66778020]

約数ペア:

[(1, 66778020), (2, 33389010), (3, 22259340), (4, 16694505), (5, 13355604), (6, 11129670), (9, 7419780), (10, 6677802), (12, 5564835), (15, 4451868), (18, 3709890), (20, 3338901), (27, 2473260), (30, 2225934), (36, 1854945), (45, 1483956), (54, 1236630), (60, 1112967), (81, 824420), (90, 741978), (108, 618315), (135, 494652), (162, 412210), (180, 370989), (270, 247326), (324, 206105), (405, 164884), (540, 123663), (810, 82442), (1620, 41221)]