56431480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 149925600

約数和(自身を除く): 93494120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 109, 140, 172, 215, 218, 280, 301, 344, 430, 436, 545, 602, 763, 860, 872, 1090, 1204, 1505, 1526, 1720, 1849, 2180, 2408, 3010, 3052, 3698, 3815, 4360, 4687, 6020, 6104, 7396, 7630, 9245, 9374, 12040, 12943, 14792, 15260, 18490, 18748, 23435, 25886, 30520, 32809, 36980, 37496, 46870, 51772, 64715, 65618, 73960, 93740, 103544, 129430, 131236, 164045, 187480, 201541, 258860, 262472, 328090, 403082, 517720, 656180, 806164, 1007705, 1312360, 1410787, 1612328, 2015410, 2821574, 4030820, 5643148, 7053935, 8061640, 11286296, 14107870, 28215740, 56431480]

約数ペア:

[(1, 56431480), (2, 28215740), (4, 14107870), (5, 11286296), (7, 8061640), (8, 7053935), (10, 5643148), (14, 4030820), (20, 2821574), (28, 2015410), (35, 1612328), (40, 1410787), (43, 1312360), (56, 1007705), (70, 806164), (86, 656180), (109, 517720), (140, 403082), (172, 328090), (215, 262472), (218, 258860), (280, 201541), (301, 187480), (344, 164045), (430, 131236), (436, 129430), (545, 103544), (602, 93740), (763, 73960), (860, 65618), (872, 64715), (1090, 51772), (1204, 46870), (1505, 37496), (1526, 36980), (1720, 32809), (1849, 30520), (2180, 25886), (2408, 23435), (3010, 18748), (3052, 18490), (3698, 15260), (3815, 14792), (4360, 12943), (4687, 12040), (6020, 9374), (6104, 9245), (7396, 7630)]