280223820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{518933}}^1$

素因数の和:518951

約数の個数: 48

約数和(自身を含む): 871809120

約数和(自身を除く): 591585300

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, 518933, 1037866, 1556799, 2075732, 2594665, 3113598, 4670397, 5189330, 6227196, 7783995, 9340794, 10378660, 14011191, 15567990, 18681588, 23351985, 28022382, 31135980, 46703970, 56044764, 70055955, 93407940, 140111910, 280223820]

約数ペア:

[(1, 280223820), (2, 140111910), (3, 93407940), (4, 70055955), (5, 56044764), (6, 46703970), (9, 31135980), (10, 28022382), (12, 23351985), (15, 18681588), (18, 15567990), (20, 14011191), (27, 10378660), (30, 9340794), (36, 7783995), (45, 6227196), (54, 5189330), (60, 4670397), (90, 3113598), (108, 2594665), (135, 2075732), (180, 1556799), (270, 1037866), (540, 518933)]