320445108

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{20369}}^1$

素因数の和:20421

約数の個数: 72

約数和(自身を含む): 889761600

約数和(自身を除く): 569316492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 138, 171, 207, 228, 276, 342, 414, 437, 684, 828, 874, 1311, 1748, 2622, 3933, 5244, 7866, 15732, 20369, 40738, 61107, 81476, 122214, 183321, 244428, 366642, 387011, 468487, 733284, 774022, 936974, 1161033, 1405461, 1548044, 1873948, 2322066, 2810922, 3483099, 4216383, 4644132, 5621844, 6966198, 8432766, 8901253, 13932396, 16865532, 17802506, 26703759, 35605012, 53407518, 80111277, 106815036, 160222554, 320445108]

約数ペア:

[(1, 320445108), (2, 160222554), (3, 106815036), (4, 80111277), (6, 53407518), (9, 35605012), (12, 26703759), (18, 17802506), (19, 16865532), (23, 13932396), (36, 8901253), (38, 8432766), (46, 6966198), (57, 5621844), (69, 4644132), (76, 4216383), (92, 3483099), (114, 2810922), (138, 2322066), (171, 1873948), (207, 1548044), (228, 1405461), (276, 1161033), (342, 936974), (414, 774022), (437, 733284), (684, 468487), (828, 387011), (874, 366642), (1311, 244428), (1748, 183321), (2622, 122214), (3933, 81476), (5244, 61107), (7866, 40738), (15732, 20369)]