179999640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^2$

素因数の和:302

約数の個数: 144

約数和(自身を含む): 608662080

約数和(自身を除く): 428662440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 127, 155, 180, 186, 248, 254, 279, 310, 360, 372, 381, 465, 508, 558, 620, 635, 744, 762, 930, 1016, 1116, 1143, 1240, 1270, 1395, 1524, 1860, 1905, 2232, 2286, 2540, 2790, 3048, 3720, 3810, 3937, 4572, 5080, 5580, 5715, 7620, 7874, 9144, 11160, 11430, 11811, 15240, 15748, 16129, 19685, 22860, 23622, 31496, 32258, 35433, 39370, 45720, 47244, 48387, 59055, 64516, 70866, 78740, 80645, 94488, 96774, 118110, 129032, 141732, 145161, 157480, 161290, 177165, 193548, 236220, 241935, 283464, 290322, 322580, 354330, 387096, 472440, 483870, 499999, 580644, 645160, 708660, 725805, 967740, 999998, 1161288, 1417320, 1451610, 1499997, 1935480, 1999996, 2499995, 2903220, 2999994, 3999992, 4499991, 4999990, 5806440, 5999988, 7499985, 8999982, 9999980, 11999976, 14999970, 17999964, 19999960, 22499955, 29999940, 35999928, 44999910, 59999880, 89999820, 179999640]

約数ペア:

[(1, 179999640), (2, 89999820), (3, 59999880), (4, 44999910), (5, 35999928), (6, 29999940), (8, 22499955), (9, 19999960), (10, 17999964), (12, 14999970), (15, 11999976), (18, 9999980), (20, 8999982), (24, 7499985), (30, 5999988), (31, 5806440), (36, 4999990), (40, 4499991), (45, 3999992), (60, 2999994), (62, 2903220), (72, 2499995), (90, 1999996), (93, 1935480), (120, 1499997), (124, 1451610), (127, 1417320), (155, 1161288), (180, 999998), (186, 967740), (248, 725805), (254, 708660), (279, 645160), (310, 580644), (360, 499999), (372, 483870), (381, 472440), (465, 387096), (508, 354330), (558, 322580), (620, 290322), (635, 283464), (744, 241935), (762, 236220), (930, 193548), (1016, 177165), (1116, 161290), (1143, 157480), (1240, 145161), (1270, 141732), (1395, 129032), (1524, 118110), (1860, 96774), (1905, 94488), (2232, 80645), (2286, 78740), (2540, 70866), (2790, 64516), (3048, 59055), (3720, 48387), (3810, 47244), (3937, 45720), (4572, 39370), (5080, 35433), (5580, 32258), (5715, 31496), (7620, 23622), (7874, 22860), (9144, 19685), (11160, 16129), (11430, 15748), (11811, 15240)]