987280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:104

約数の個数: 80

約数和(自身を含む): 2749824

約数和(自身を除く): 1762544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 43, 56, 70, 80, 82, 86, 112, 140, 164, 172, 205, 215, 280, 287, 301, 328, 344, 410, 430, 560, 574, 602, 656, 688, 820, 860, 1148, 1204, 1435, 1505, 1640, 1720, 1763, 2296, 2408, 2870, 3010, 3280, 3440, 3526, 4592, 4816, 5740, 6020, 7052, 8815, 11480, 12040, 12341, 14104, 17630, 22960, 24080, 24682, 28208, 35260, 49364, 61705, 70520, 98728, 123410, 141040, 197456, 246820, 493640, 987280]

約数ペア:

[(1, 987280), (2, 493640), (4, 246820), (5, 197456), (7, 141040), (8, 123410), (10, 98728), (14, 70520), (16, 61705), (20, 49364), (28, 35260), (35, 28208), (40, 24682), (41, 24080), (43, 22960), (56, 17630), (70, 14104), (80, 12341), (82, 12040), (86, 11480), (112, 8815), (140, 7052), (164, 6020), (172, 5740), (205, 4816), (215, 4592), (280, 3526), (287, 3440), (301, 3280), (328, 3010), (344, 2870), (410, 2408), (430, 2296), (560, 1763), (574, 1720), (602, 1640), (656, 1505), (688, 1435), (820, 1204), (860, 1148)]