2020480

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1$

素因数の和:78

約数の個数: 128

約数和(自身を含む): 6168960

約数和(自身を除く): 4148480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 41, 44, 55, 56, 64, 70, 77, 80, 82, 88, 110, 112, 128, 140, 154, 160, 164, 176, 205, 220, 224, 280, 287, 308, 320, 328, 352, 385, 410, 440, 448, 451, 560, 574, 616, 640, 656, 704, 770, 820, 880, 896, 902, 1120, 1148, 1232, 1312, 1408, 1435, 1540, 1640, 1760, 1804, 2240, 2255, 2296, 2464, 2624, 2870, 3080, 3157, 3280, 3520, 3608, 4480, 4510, 4592, 4928, 5248, 5740, 6160, 6314, 6560, 7040, 7216, 9020, 9184, 9856, 11480, 12320, 12628, 13120, 14432, 15785, 18040, 18368, 22960, 24640, 25256, 26240, 28864, 31570, 36080, 36736, 45920, 49280, 50512, 57728, 63140, 72160, 91840, 101024, 126280, 144320, 183680, 202048, 252560, 288640, 404096, 505120, 1010240, 2020480]

約数ペア:

[(1, 2020480), (2, 1010240), (4, 505120), (5, 404096), (7, 288640), (8, 252560), (10, 202048), (11, 183680), (14, 144320), (16, 126280), (20, 101024), (22, 91840), (28, 72160), (32, 63140), (35, 57728), (40, 50512), (41, 49280), (44, 45920), (55, 36736), (56, 36080), (64, 31570), (70, 28864), (77, 26240), (80, 25256), (82, 24640), (88, 22960), (110, 18368), (112, 18040), (128, 15785), (140, 14432), (154, 13120), (160, 12628), (164, 12320), (176, 11480), (205, 9856), (220, 9184), (224, 9020), (280, 7216), (287, 7040), (308, 6560), (320, 6314), (328, 6160), (352, 5740), (385, 5248), (410, 4928), (440, 4592), (448, 4510), (451, 4480), (560, 3608), (574, 3520), (616, 3280), (640, 3157), (656, 3080), (704, 2870), (770, 2624), (820, 2464), (880, 2296), (896, 2255), (902, 2240), (1120, 1804), (1148, 1760), (1232, 1640), (1312, 1540), (1408, 1435)]