640067904

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{158747}}^1$

素因数の和:158772

約数の個数: 84

約数和(自身を含む): 2096743584

約数和(自身を除く): 1456675680

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 144, 168, 192, 224, 252, 288, 336, 448, 504, 576, 672, 1008, 1344, 2016, 4032, 158747, 317494, 476241, 634988, 952482, 1111229, 1269976, 1428723, 1904964, 2222458, 2539952, 2857446, 3333687, 3809928, 4444916, 5079904, 5714892, 6667374, 7619856, 8889832, 10001061, 10159808, 11429784, 13334748, 15239712, 17779664, 20002122, 22859568, 26669496, 30479424, 35559328, 40004244, 45719136, 53338992, 71118656, 80008488, 91438272, 106677984, 160016976, 213355968, 320033952, 640067904]

約数ペア:

[(1, 640067904), (2, 320033952), (3, 213355968), (4, 160016976), (6, 106677984), (7, 91438272), (8, 80008488), (9, 71118656), (12, 53338992), (14, 45719136), (16, 40004244), (18, 35559328), (21, 30479424), (24, 26669496), (28, 22859568), (32, 20002122), (36, 17779664), (42, 15239712), (48, 13334748), (56, 11429784), (63, 10159808), (64, 10001061), (72, 8889832), (84, 7619856), (96, 6667374), (112, 5714892), (126, 5079904), (144, 4444916), (168, 3809928), (192, 3333687), (224, 2857446), (252, 2539952), (288, 2222458), (336, 1904964), (448, 1428723), (504, 1269976), (576, 1111229), (672, 952482), (1008, 634988), (1344, 476241), (2016, 317494), (4032, 158747)]