22440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:42

約数の個数: 64

約数和(自身を含む): 77760

約数和(自身を除く): 55320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 935, 1020, 1122, 1320, 1496, 1870, 2040, 2244, 2805, 3740, 4488, 5610, 7480, 11220, 22440]

約数ペア:

[(1, 22440), (2, 11220), (3, 7480), (4, 5610), (5, 4488), (6, 3740), (8, 2805), (10, 2244), (11, 2040), (12, 1870), (15, 1496), (17, 1320), (20, 1122), (22, 1020), (24, 935), (30, 748), (33, 680), (34, 660), (40, 561), (44, 510), (51, 440), (55, 408), (60, 374), (66, 340), (68, 330), (85, 264), (88, 255), (102, 220), (110, 204), (120, 187), (132, 170), (136, 165)]