2580030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 6795360

約数和(自身を除く): 4215330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 109, 218, 263, 327, 526, 545, 654, 789, 981, 1090, 1315, 1578, 1635, 1962, 2367, 2630, 3270, 3945, 4734, 4905, 7890, 9810, 11835, 23670, 28667, 57334, 86001, 143335, 172002, 258003, 286670, 430005, 516006, 860010, 1290015, 2580030]

約数ペア:

[(1, 2580030), (2, 1290015), (3, 860010), (5, 516006), (6, 430005), (9, 286670), (10, 258003), (15, 172002), (18, 143335), (30, 86001), (45, 57334), (90, 28667), (109, 23670), (218, 11835), (263, 9810), (327, 7890), (526, 4905), (545, 4734), (654, 3945), (789, 3270), (981, 2630), (1090, 2367), (1315, 1962), (1578, 1635)]