2640848

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:124

約数の個数: 80

約数和(自身を含む): 6606720

約数和(自身を除く): 3965872

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 34, 38, 56, 68, 73, 76, 112, 119, 133, 136, 146, 152, 238, 266, 272, 292, 304, 323, 476, 511, 532, 584, 646, 952, 1022, 1064, 1168, 1241, 1292, 1387, 1904, 2044, 2128, 2261, 2482, 2584, 2774, 4088, 4522, 4964, 5168, 5548, 8176, 8687, 9044, 9709, 9928, 11096, 17374, 18088, 19418, 19856, 22192, 23579, 34748, 36176, 38836, 47158, 69496, 77672, 94316, 138992, 155344, 165053, 188632, 330106, 377264, 660212, 1320424, 2640848]

約数ペア:

[(1, 2640848), (2, 1320424), (4, 660212), (7, 377264), (8, 330106), (14, 188632), (16, 165053), (17, 155344), (19, 138992), (28, 94316), (34, 77672), (38, 69496), (56, 47158), (68, 38836), (73, 36176), (76, 34748), (112, 23579), (119, 22192), (133, 19856), (136, 19418), (146, 18088), (152, 17374), (238, 11096), (266, 9928), (272, 9709), (292, 9044), (304, 8687), (323, 8176), (476, 5548), (511, 5168), (532, 4964), (584, 4522), (646, 4088), (952, 2774), (1022, 2584), (1064, 2482), (1168, 2261), (1241, 2128), (1292, 2044), (1387, 1904)]