6440940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3253}}^1$

素因数の和:3279

約数の個数: 72

約数和(自身を含む): 21320208

約数和(自身を除く): 14879268

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, 3253, 6506, 9759, 13012, 16265, 19518, 29277, 32530, 35783, 39036, 48795, 58554, 65060, 71566, 97590, 107349, 117108, 143132, 146385, 178915, 195180, 214698, 292770, 322047, 357830, 429396, 536745, 585540, 644094, 715660, 1073490, 1288188, 1610235, 2146980, 3220470, 6440940]

約数ペア:

[(1, 6440940), (2, 3220470), (3, 2146980), (4, 1610235), (5, 1288188), (6, 1073490), (9, 715660), (10, 644094), (11, 585540), (12, 536745), (15, 429396), (18, 357830), (20, 322047), (22, 292770), (30, 214698), (33, 195180), (36, 178915), (44, 146385), (45, 143132), (55, 117108), (60, 107349), (66, 97590), (90, 71566), (99, 65060), (110, 58554), (132, 48795), (165, 39036), (180, 35783), (198, 32530), (220, 29277), (330, 19518), (396, 16265), (495, 13012), (660, 9759), (990, 6506), (1980, 3253)]