1980640368

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{280703}}^1$

素因数の和:280731

約数の個数: 90

約数和(自身を含む): 6448051584

約数和(自身を除く): 4467411216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 3528, 7056, 280703, 561406, 842109, 1122812, 1684218, 1964921, 2245624, 2526327, 3368436, 3929842, 4491248, 5052654, 5894763, 6736872, 7859684, 10105308, 11789526, 13473744, 13754447, 15719368, 17684289, 20210616, 23579052, 27508894, 31438736, 35368578, 40421232, 41263341, 47158104, 55017788, 70737156, 82526682, 94316208, 110035576, 123790023, 141474312, 165053364, 220071152, 247580046, 282948624, 330106728, 495160092, 660213456, 990320184, 1980640368]

約数ペア:

[(1, 1980640368), (2, 990320184), (3, 660213456), (4, 495160092), (6, 330106728), (7, 282948624), (8, 247580046), (9, 220071152), (12, 165053364), (14, 141474312), (16, 123790023), (18, 110035576), (21, 94316208), (24, 82526682), (28, 70737156), (36, 55017788), (42, 47158104), (48, 41263341), (49, 40421232), (56, 35368578), (63, 31438736), (72, 27508894), (84, 23579052), (98, 20210616), (112, 17684289), (126, 15719368), (144, 13754447), (147, 13473744), (168, 11789526), (196, 10105308), (252, 7859684), (294, 6736872), (336, 5894763), (392, 5052654), (441, 4491248), (504, 3929842), (588, 3368436), (784, 2526327), (882, 2245624), (1008, 1964921), (1176, 1684218), (1764, 1122812), (2352, 842109), (3528, 561406), (7056, 280703)]