81606120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:507

約数の個数: 128

約数和(自身を含む): 262310400

約数和(自身を除く): 180704280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 109, 120, 136, 170, 204, 218, 255, 327, 340, 367, 408, 436, 510, 545, 654, 680, 734, 872, 1020, 1090, 1101, 1308, 1468, 1635, 1835, 1853, 2040, 2180, 2202, 2616, 2936, 3270, 3670, 3706, 4360, 4404, 5505, 5559, 6239, 6540, 7340, 7412, 8808, 9265, 11010, 11118, 12478, 13080, 14680, 14824, 18530, 18717, 22020, 22236, 24956, 27795, 31195, 37060, 37434, 40003, 44040, 44472, 49912, 55590, 62390, 74120, 74868, 80006, 93585, 111180, 120009, 124780, 149736, 160012, 187170, 200015, 222360, 240018, 249560, 320024, 374340, 400030, 480036, 600045, 680051, 748680, 800060, 960072, 1200090, 1360102, 1600120, 2040153, 2400180, 2720204, 3400255, 4080306, 4800360, 5440408, 6800510, 8160612, 10200765, 13601020, 16321224, 20401530, 27202040, 40803060, 81606120]

約数ペア:

[(1, 81606120), (2, 40803060), (3, 27202040), (4, 20401530), (5, 16321224), (6, 13601020), (8, 10200765), (10, 8160612), (12, 6800510), (15, 5440408), (17, 4800360), (20, 4080306), (24, 3400255), (30, 2720204), (34, 2400180), (40, 2040153), (51, 1600120), (60, 1360102), (68, 1200090), (85, 960072), (102, 800060), (109, 748680), (120, 680051), (136, 600045), (170, 480036), (204, 400030), (218, 374340), (255, 320024), (327, 249560), (340, 240018), (367, 222360), (408, 200015), (436, 187170), (510, 160012), (545, 149736), (654, 124780), (680, 120009), (734, 111180), (872, 93585), (1020, 80006), (1090, 74868), (1101, 74120), (1308, 62390), (1468, 55590), (1635, 49912), (1835, 44472), (1853, 44040), (2040, 40003), (2180, 37434), (2202, 37060), (2616, 31195), (2936, 27795), (3270, 24956), (3670, 22236), (3706, 22020), (4360, 18717), (4404, 18530), (5505, 14824), (5559, 14680), (6239, 13080), (6540, 12478), (7340, 11118), (7412, 11010), (8808, 9265)]