2500960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1$

素因数の和:69

約数の個数: 144

約数和(自身を含む): 7756560

約数和(自身を除く): 5255600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 29, 32, 35, 40, 44, 49, 55, 56, 58, 70, 77, 80, 88, 98, 110, 112, 116, 140, 145, 154, 160, 176, 196, 203, 220, 224, 232, 245, 280, 290, 308, 319, 352, 385, 392, 406, 440, 464, 490, 539, 560, 580, 616, 638, 770, 784, 812, 880, 928, 980, 1015, 1078, 1120, 1160, 1232, 1276, 1421, 1540, 1568, 1595, 1624, 1760, 1960, 2030, 2156, 2233, 2320, 2464, 2552, 2695, 2842, 3080, 3190, 3248, 3920, 4060, 4312, 4466, 4640, 5104, 5390, 5684, 6160, 6380, 6496, 7105, 7840, 8120, 8624, 8932, 10208, 10780, 11165, 11368, 12320, 12760, 14210, 15631, 16240, 17248, 17864, 21560, 22330, 22736, 25520, 28420, 31262, 32480, 35728, 43120, 44660, 45472, 51040, 56840, 62524, 71456, 78155, 86240, 89320, 113680, 125048, 156310, 178640, 227360, 250096, 312620, 357280, 500192, 625240, 1250480, 2500960]

約数ペア:

[(1, 2500960), (2, 1250480), (4, 625240), (5, 500192), (7, 357280), (8, 312620), (10, 250096), (11, 227360), (14, 178640), (16, 156310), (20, 125048), (22, 113680), (28, 89320), (29, 86240), (32, 78155), (35, 71456), (40, 62524), (44, 56840), (49, 51040), (55, 45472), (56, 44660), (58, 43120), (70, 35728), (77, 32480), (80, 31262), (88, 28420), (98, 25520), (110, 22736), (112, 22330), (116, 21560), (140, 17864), (145, 17248), (154, 16240), (160, 15631), (176, 14210), (196, 12760), (203, 12320), (220, 11368), (224, 11165), (232, 10780), (245, 10208), (280, 8932), (290, 8624), (308, 8120), (319, 7840), (352, 7105), (385, 6496), (392, 6380), (406, 6160), (440, 5684), (464, 5390), (490, 5104), (539, 4640), (560, 4466), (580, 4312), (616, 4060), (638, 3920), (770, 3248), (784, 3190), (812, 3080), (880, 2842), (928, 2695), (980, 2552), (1015, 2464), (1078, 2320), (1120, 2233), (1160, 2156), (1232, 2030), (1276, 1960), (1421, 1760), (1540, 1624), (1568, 1595)]