8638740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4363}}^1$

素因数の和:4389

約数の個数: 72

約数和(自身を含む): 28592928

約数和(自身を除く): 19954188

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, 4363, 8726, 13089, 17452, 21815, 26178, 39267, 43630, 47993, 52356, 65445, 78534, 87260, 95986, 130890, 143979, 157068, 191972, 196335, 239965, 261780, 287958, 392670, 431937, 479930, 575916, 719895, 785340, 863874, 959860, 1439790, 1727748, 2159685, 2879580, 4319370, 8638740]

約数ペア:

[(1, 8638740), (2, 4319370), (3, 2879580), (4, 2159685), (5, 1727748), (6, 1439790), (9, 959860), (10, 863874), (11, 785340), (12, 719895), (15, 575916), (18, 479930), (20, 431937), (22, 392670), (30, 287958), (33, 261780), (36, 239965), (44, 196335), (45, 191972), (55, 157068), (60, 143979), (66, 130890), (90, 95986), (99, 87260), (110, 78534), (132, 65445), (165, 52356), (180, 47993), (198, 43630), (220, 39267), (330, 26178), (396, 21815), (495, 17452), (660, 13089), (990, 8726), (1980, 4363)]