1638060

素因数分解:

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

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 4790016

約数和(自身を除く): 3151956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1187, 1380, 2374, 3561, 4748, 5935, 7122, 11870, 14244, 17805, 23740, 27301, 35610, 54602, 71220, 81903, 109204, 136505, 163806, 273010, 327612, 409515, 546020, 819030, 1638060]

約数ペア:

[(1, 1638060), (2, 819030), (3, 546020), (4, 409515), (5, 327612), (6, 273010), (10, 163806), (12, 136505), (15, 109204), (20, 81903), (23, 71220), (30, 54602), (46, 35610), (60, 27301), (69, 23740), (92, 17805), (115, 14244), (138, 11870), (230, 7122), (276, 5935), (345, 4748), (460, 3561), (690, 2374), (1187, 1380)]