86870520

素因数分解:

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

素因数の和:21965

約数の個数: 96

約数和(自身を含む): 308009520

約数和(自身を除く): 221139000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 21937, 43874, 65811, 87748, 109685, 131622, 175496, 197433, 219370, 241307, 263244, 329055, 394866, 438740, 482614, 526488, 658110, 723921, 789732, 877480, 965228, 987165, 1206535, 1316220, 1447842, 1579464, 1930456, 1974330, 2171763, 2413070, 2632440, 2895684, 3619605, 3948660, 4343526, 4826140, 5791368, 7239210, 7897320, 8687052, 9652280, 10858815, 14478420, 17374104, 21717630, 28956840, 43435260, 86870520]

約数ペア:

[(1, 86870520), (2, 43435260), (3, 28956840), (4, 21717630), (5, 17374104), (6, 14478420), (8, 10858815), (9, 9652280), (10, 8687052), (11, 7897320), (12, 7239210), (15, 5791368), (18, 4826140), (20, 4343526), (22, 3948660), (24, 3619605), (30, 2895684), (33, 2632440), (36, 2413070), (40, 2171763), (44, 1974330), (45, 1930456), (55, 1579464), (60, 1447842), (66, 1316220), (72, 1206535), (88, 987165), (90, 965228), (99, 877480), (110, 789732), (120, 723921), (132, 658110), (165, 526488), (180, 482614), (198, 438740), (220, 394866), (264, 329055), (330, 263244), (360, 241307), (396, 219370), (440, 197433), (495, 175496), (660, 131622), (792, 109685), (990, 87748), (1320, 65811), (1980, 43874), (3960, 21937)]