8420940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4253}}^1$

素因数の和:4279

約数の個数: 72

約数和(自身を含む): 27872208

約数和(自身を除く): 19451268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 4253, 8506, 12759, 17012, 21265, 25518, 38277, 42530, 46783, 51036, 63795, 76554, 85060, 93566, 127590, 140349, 153108, 187132, 191385, 233915, 255180, 280698, 382770, 421047, 467830, 561396, 701745, 765540, 842094, 935660, 1403490, 1684188, 2105235, 2806980, 4210470, 8420940]

約数ペア:

[(1, 8420940), (2, 4210470), (3, 2806980), (4, 2105235), (5, 1684188), (6, 1403490), (9, 935660), (10, 842094), (11, 765540), (12, 701745), (15, 561396), (18, 467830), (20, 421047), (22, 382770), (30, 280698), (33, 255180), (36, 233915), (44, 191385), (45, 187132), (55, 153108), (60, 140349), (66, 127590), (90, 93566), (99, 85060), (110, 76554), (132, 63795), (165, 51036), (180, 46783), (198, 42530), (220, 38277), (330, 25518), (396, 21265), (495, 17012), (660, 12759), (990, 8506), (1980, 4253)]