81920328

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2311}}^1$

素因数の和:2538

約数の個数: 64

約数和(自身を含む): 235269120

約数和(自身を除く): 153348792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 211, 422, 633, 844, 1266, 1477, 1688, 2311, 2532, 2954, 4431, 4622, 5064, 5908, 6933, 8862, 9244, 11816, 13866, 16177, 17724, 18488, 27732, 32354, 35448, 48531, 55464, 64708, 97062, 129416, 194124, 388248, 487621, 975242, 1462863, 1950484, 2925726, 3413347, 3900968, 5851452, 6826694, 10240041, 11702904, 13653388, 20480082, 27306776, 40960164, 81920328]

約数ペア:

[(1, 81920328), (2, 40960164), (3, 27306776), (4, 20480082), (6, 13653388), (7, 11702904), (8, 10240041), (12, 6826694), (14, 5851452), (21, 3900968), (24, 3413347), (28, 2925726), (42, 1950484), (56, 1462863), (84, 975242), (168, 487621), (211, 388248), (422, 194124), (633, 129416), (844, 97062), (1266, 64708), (1477, 55464), (1688, 48531), (2311, 35448), (2532, 32354), (2954, 27732), (4431, 18488), (4622, 17724), (5064, 16177), (5908, 13866), (6933, 11816), (8862, 9244)]