638064

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{211}}^1$

素因数の和:235

約数の個数: 80

約数和(自身を含む): 2103040

約数和(自身を除く): 1464976

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 211, 216, 252, 336, 378, 422, 432, 504, 633, 756, 844, 1008, 1266, 1477, 1512, 1688, 1899, 2532, 2954, 3024, 3376, 3798, 4431, 5064, 5697, 5908, 7596, 8862, 10128, 11394, 11816, 13293, 15192, 17724, 22788, 23632, 26586, 30384, 35448, 39879, 45576, 53172, 70896, 79758, 91152, 106344, 159516, 212688, 319032, 638064]

約数ペア:

[(1, 638064), (2, 319032), (3, 212688), (4, 159516), (6, 106344), (7, 91152), (8, 79758), (9, 70896), (12, 53172), (14, 45576), (16, 39879), (18, 35448), (21, 30384), (24, 26586), (27, 23632), (28, 22788), (36, 17724), (42, 15192), (48, 13293), (54, 11816), (56, 11394), (63, 10128), (72, 8862), (84, 7596), (108, 5908), (112, 5697), (126, 5064), (144, 4431), (168, 3798), (189, 3376), (211, 3024), (216, 2954), (252, 2532), (336, 1899), (378, 1688), (422, 1512), (432, 1477), (504, 1266), (633, 1008), (756, 844)]