8420280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6379}}^1$

素因数の和:6404

約数の個数: 64

約数和(自身を含む): 27561600

約数和(自身を除く): 19141320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 6379, 12758, 19137, 25516, 31895, 38274, 51032, 63790, 70169, 76548, 95685, 127580, 140338, 153096, 191370, 210507, 255160, 280676, 350845, 382740, 421014, 561352, 701690, 765480, 842028, 1052535, 1403380, 1684056, 2105070, 2806760, 4210140, 8420280]

約数ペア:

[(1, 8420280), (2, 4210140), (3, 2806760), (4, 2105070), (5, 1684056), (6, 1403380), (8, 1052535), (10, 842028), (11, 765480), (12, 701690), (15, 561352), (20, 421014), (22, 382740), (24, 350845), (30, 280676), (33, 255160), (40, 210507), (44, 191370), (55, 153096), (60, 140338), (66, 127580), (88, 95685), (110, 76548), (120, 70169), (132, 63790), (165, 51032), (220, 38274), (264, 31895), (330, 25516), (440, 19137), (660, 12758), (1320, 6379)]