221756880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{923987}}^1$

素因数の和:924003

約数の個数: 40

約数和(自身を含む): 687447072

約数和(自身を除く): 465690192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 923987, 1847974, 2771961, 3695948, 4619935, 5543922, 7391896, 9239870, 11087844, 13859805, 14783792, 18479740, 22175688, 27719610, 36959480, 44351376, 55439220, 73918960, 110878440, 221756880]

約数ペア:

[(1, 221756880), (2, 110878440), (3, 73918960), (4, 55439220), (5, 44351376), (6, 36959480), (8, 27719610), (10, 22175688), (12, 18479740), (15, 14783792), (16, 13859805), (20, 11087844), (24, 9239870), (30, 7391896), (40, 5543922), (48, 4619935), (60, 3695948), (80, 2771961), (120, 1847974), (240, 923987)]