28207080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:464

約数の個数: 192

約数和(自身を含む): 106142400

約数和(自身を除く): 77935320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 51, 55, 60, 66, 68, 72, 85, 88, 90, 99, 102, 110, 120, 132, 136, 153, 165, 170, 180, 187, 198, 204, 220, 255, 264, 306, 330, 340, 360, 374, 396, 408, 419, 440, 495, 510, 561, 612, 660, 680, 748, 765, 792, 838, 935, 990, 1020, 1122, 1224, 1257, 1320, 1496, 1530, 1676, 1683, 1870, 1980, 2040, 2095, 2244, 2514, 2805, 3060, 3352, 3366, 3740, 3771, 3960, 4190, 4488, 4609, 5028, 5610, 6120, 6285, 6732, 7123, 7480, 7542, 8380, 8415, 9218, 10056, 11220, 12570, 13464, 13827, 14246, 15084, 16760, 16830, 18436, 18855, 21369, 22440, 23045, 25140, 27654, 28492, 30168, 33660, 35615, 36872, 37710, 41481, 42738, 46090, 50280, 55308, 56984, 64107, 67320, 69135, 71230, 75420, 78353, 82962, 85476, 92180, 106845, 110616, 128214, 138270, 142460, 150840, 156706, 165924, 170952, 184360, 207405, 213690, 235059, 256428, 276540, 284920, 313412, 320535, 331848, 391765, 414810, 427380, 470118, 512856, 553080, 626824, 641070, 705177, 783530, 829620, 854760, 940236, 1175295, 1282140, 1410354, 1567060, 1659240, 1880472, 2350590, 2564280, 2820708, 3134120, 3525885, 4701180, 5641416, 7051770, 9402360, 14103540, 28207080]

約数ペア:

[(1, 28207080), (2, 14103540), (3, 9402360), (4, 7051770), (5, 5641416), (6, 4701180), (8, 3525885), (9, 3134120), (10, 2820708), (11, 2564280), (12, 2350590), (15, 1880472), (17, 1659240), (18, 1567060), (20, 1410354), (22, 1282140), (24, 1175295), (30, 940236), (33, 854760), (34, 829620), (36, 783530), (40, 705177), (44, 641070), (45, 626824), (51, 553080), (55, 512856), (60, 470118), (66, 427380), (68, 414810), (72, 391765), (85, 331848), (88, 320535), (90, 313412), (99, 284920), (102, 276540), (110, 256428), (120, 235059), (132, 213690), (136, 207405), (153, 184360), (165, 170952), (170, 165924), (180, 156706), (187, 150840), (198, 142460), (204, 138270), (220, 128214), (255, 110616), (264, 106845), (306, 92180), (330, 85476), (340, 82962), (360, 78353), (374, 75420), (396, 71230), (408, 69135), (419, 67320), (440, 64107), (495, 56984), (510, 55308), (561, 50280), (612, 46090), (660, 42738), (680, 41481), (748, 37710), (765, 36872), (792, 35615), (838, 33660), (935, 30168), (990, 28492), (1020, 27654), (1122, 25140), (1224, 23045), (1257, 22440), (1320, 21369), (1496, 18855), (1530, 18436), (1676, 16830), (1683, 16760), (1870, 15084), (1980, 14246), (2040, 13827), (2095, 13464), (2244, 12570), (2514, 11220), (2805, 10056), (3060, 9218), (3352, 8415), (3366, 8380), (3740, 7542), (3771, 7480), (3960, 7123), (4190, 6732), (4488, 6285), (4609, 6120), (5028, 5610)]