7644280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1187}}^1$

素因数の和:1228

約数の個数: 64

約数和(自身を含む): 20528640

約数和(自身を除く): 12884360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1187, 1288, 1610, 2374, 3220, 4748, 5935, 6440, 8309, 9496, 11870, 16618, 23740, 27301, 33236, 41545, 47480, 54602, 66472, 83090, 109204, 136505, 166180, 191107, 218408, 273010, 332360, 382214, 546020, 764428, 955535, 1092040, 1528856, 1911070, 3822140, 7644280]

約数ペア:

[(1, 7644280), (2, 3822140), (4, 1911070), (5, 1528856), (7, 1092040), (8, 955535), (10, 764428), (14, 546020), (20, 382214), (23, 332360), (28, 273010), (35, 218408), (40, 191107), (46, 166180), (56, 136505), (70, 109204), (92, 83090), (115, 66472), (140, 54602), (161, 47480), (184, 41545), (230, 33236), (280, 27301), (322, 23740), (460, 16618), (644, 11870), (805, 9496), (920, 8309), (1187, 6440), (1288, 5935), (1610, 4748), (2374, 3220)]