2784240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{1289}}^1$

素因数の和:1311

約数の個数: 80

約数和(自身を含む): 9597600

約数和(自身を除く): 6813360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 1289, 2160, 2578, 3867, 5156, 6445, 7734, 10312, 11601, 12890, 15468, 19335, 20624, 23202, 25780, 30936, 34803, 38670, 46404, 51560, 58005, 61872, 69606, 77340, 92808, 103120, 116010, 139212, 154680, 174015, 185616, 232020, 278424, 309360, 348030, 464040, 556848, 696060, 928080, 1392120, 2784240]

約数ペア:

[(1, 2784240), (2, 1392120), (3, 928080), (4, 696060), (5, 556848), (6, 464040), (8, 348030), (9, 309360), (10, 278424), (12, 232020), (15, 185616), (16, 174015), (18, 154680), (20, 139212), (24, 116010), (27, 103120), (30, 92808), (36, 77340), (40, 69606), (45, 61872), (48, 58005), (54, 51560), (60, 46404), (72, 38670), (80, 34803), (90, 30936), (108, 25780), (120, 23202), (135, 20624), (144, 19335), (180, 15468), (216, 12890), (240, 11601), (270, 10312), (360, 7734), (432, 6445), (540, 5156), (720, 3867), (1080, 2578), (1289, 2160)]