28956840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21937}}^1$

素因数の和:21962

約数の個数: 64

約数和(自身を含む): 94772160

約数和(自身を除く): 65815320

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, 21937, 43874, 65811, 87748, 109685, 131622, 175496, 219370, 241307, 263244, 329055, 438740, 482614, 526488, 658110, 723921, 877480, 965228, 1206535, 1316220, 1447842, 1930456, 2413070, 2632440, 2895684, 3619605, 4826140, 5791368, 7239210, 9652280, 14478420, 28956840]

約数ペア:

[(1, 28956840), (2, 14478420), (3, 9652280), (4, 7239210), (5, 5791368), (6, 4826140), (8, 3619605), (10, 2895684), (11, 2632440), (12, 2413070), (15, 1930456), (20, 1447842), (22, 1316220), (24, 1206535), (30, 965228), (33, 877480), (40, 723921), (44, 658110), (55, 526488), (60, 482614), (66, 438740), (88, 329055), (110, 263244), (120, 241307), (132, 219370), (165, 175496), (220, 131622), (264, 109685), (330, 87748), (440, 65811), (660, 43874), (1320, 21937)]