64512720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{29867}}^1$

素因数の和:29889

約数の個数: 80

約数和(自身を含む): 222217920

約数和(自身を除く): 157705200

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, 2160, 29867, 59734, 89601, 119468, 149335, 179202, 238936, 268803, 298670, 358404, 448005, 477872, 537606, 597340, 716808, 806409, 896010, 1075212, 1194680, 1344015, 1433616, 1612818, 1792020, 2150424, 2389360, 2688030, 3225636, 3584040, 4032045, 4300848, 5376060, 6451272, 7168080, 8064090, 10752120, 12902544, 16128180, 21504240, 32256360, 64512720]

約数ペア:

[(1, 64512720), (2, 32256360), (3, 21504240), (4, 16128180), (5, 12902544), (6, 10752120), (8, 8064090), (9, 7168080), (10, 6451272), (12, 5376060), (15, 4300848), (16, 4032045), (18, 3584040), (20, 3225636), (24, 2688030), (27, 2389360), (30, 2150424), (36, 1792020), (40, 1612818), (45, 1433616), (48, 1344015), (54, 1194680), (60, 1075212), (72, 896010), (80, 806409), (90, 716808), (108, 597340), (120, 537606), (135, 477872), (144, 448005), (180, 358404), (216, 298670), (240, 268803), (270, 238936), (360, 179202), (432, 149335), (540, 119468), (720, 89601), (1080, 59734), (2160, 29867)]