215602020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{399263}}^1$

素因数の和:399281

約数の個数: 48

約数和(自身を含む): 670763520

約数和(自身を除く): 455161500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 399263, 798526, 1197789, 1597052, 1996315, 2395578, 3593367, 3992630, 4791156, 5988945, 7186734, 7985260, 10780101, 11977890, 14373468, 17966835, 21560202, 23955780, 35933670, 43120404, 53900505, 71867340, 107801010, 215602020]

約数ペア:

[(1, 215602020), (2, 107801010), (3, 71867340), (4, 53900505), (5, 43120404), (6, 35933670), (9, 23955780), (10, 21560202), (12, 17966835), (15, 14373468), (18, 11977890), (20, 10780101), (27, 7985260), (30, 7186734), (36, 5988945), (45, 4791156), (54, 3992630), (60, 3593367), (90, 2395578), (108, 1996315), (135, 1597052), (180, 1197789), (270, 798526), (540, 399263)]