28388640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:120

約数の個数: 288

約数和(自身を含む): 111694464

約数和(自身を除く): 83305824

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 49, 51, 56, 60, 68, 70, 71, 80, 84, 85, 96, 98, 102, 105, 112, 119, 120, 136, 140, 142, 147, 160, 168, 170, 196, 204, 210, 213, 224, 238, 240, 245, 255, 272, 280, 284, 294, 336, 340, 355, 357, 392, 408, 420, 426, 476, 480, 490, 497, 510, 544, 560, 568, 588, 595, 672, 680, 710, 714, 735, 784, 816, 833, 840, 852, 952, 980, 994, 1020, 1065, 1120, 1136, 1176, 1190, 1207, 1360, 1420, 1428, 1470, 1491, 1568, 1632, 1666, 1680, 1704, 1785, 1904, 1960, 1988, 2040, 2130, 2272, 2352, 2380, 2414, 2485, 2499, 2720, 2840, 2856, 2940, 2982, 3332, 3360, 3408, 3479, 3570, 3621, 3808, 3920, 3976, 4080, 4165, 4260, 4704, 4760, 4828, 4970, 4998, 5680, 5712, 5880, 5964, 6035, 6664, 6816, 6958, 7140, 7242, 7455, 7840, 7952, 8160, 8330, 8449, 8520, 9520, 9656, 9940, 9996, 10437, 11360, 11424, 11760, 11928, 12070, 12495, 13328, 13916, 14280, 14484, 14910, 15904, 16660, 16898, 17040, 17395, 18105, 19040, 19312, 19880, 19992, 20874, 23520, 23856, 24140, 24990, 25347, 26656, 27832, 28560, 28968, 29820, 33320, 33796, 34080, 34790, 36210, 38624, 39760, 39984, 41748, 42245, 47712, 48280, 49980, 50694, 52185, 55664, 57120, 57936, 59143, 59640, 66640, 67592, 69580, 72420, 79520, 79968, 83496, 84490, 96560, 99960, 101388, 104370, 111328, 115872, 118286, 119280, 126735, 133280, 135184, 139160, 144840, 166992, 168980, 177429, 193120, 199920, 202776, 208740, 236572, 238560, 253470, 270368, 278320, 289680, 295715, 333984, 337960, 354858, 399840, 405552, 417480, 473144, 506940, 556640, 579360, 591430, 675920, 709716, 811104, 834960, 887145, 946288, 1013880, 1182860, 1351840, 1419432, 1669920, 1774290, 1892576, 2027760, 2365720, 2838864, 3548580, 4055520, 4731440, 5677728, 7097160, 9462880, 14194320, 28388640]

約数ペア:

[(1, 28388640), (2, 14194320), (3, 9462880), (4, 7097160), (5, 5677728), (6, 4731440), (7, 4055520), (8, 3548580), (10, 2838864), (12, 2365720), (14, 2027760), (15, 1892576), (16, 1774290), (17, 1669920), (20, 1419432), (21, 1351840), (24, 1182860), (28, 1013880), (30, 946288), (32, 887145), (34, 834960), (35, 811104), (40, 709716), (42, 675920), (48, 591430), (49, 579360), (51, 556640), (56, 506940), (60, 473144), (68, 417480), (70, 405552), (71, 399840), (80, 354858), (84, 337960), (85, 333984), (96, 295715), (98, 289680), (102, 278320), (105, 270368), (112, 253470), (119, 238560), (120, 236572), (136, 208740), (140, 202776), (142, 199920), (147, 193120), (160, 177429), (168, 168980), (170, 166992), (196, 144840), (204, 139160), (210, 135184), (213, 133280), (224, 126735), (238, 119280), (240, 118286), (245, 115872), (255, 111328), (272, 104370), (280, 101388), (284, 99960), (294, 96560), (336, 84490), (340, 83496), (355, 79968), (357, 79520), (392, 72420), (408, 69580), (420, 67592), (426, 66640), (476, 59640), (480, 59143), (490, 57936), (497, 57120), (510, 55664), (544, 52185), (560, 50694), (568, 49980), (588, 48280), (595, 47712), (672, 42245), (680, 41748), (710, 39984), (714, 39760), (735, 38624), (784, 36210), (816, 34790), (833, 34080), (840, 33796), (852, 33320), (952, 29820), (980, 28968), (994, 28560), (1020, 27832), (1065, 26656), (1120, 25347), (1136, 24990), (1176, 24140), (1190, 23856), (1207, 23520), (1360, 20874), (1420, 19992), (1428, 19880), (1470, 19312), (1491, 19040), (1568, 18105), (1632, 17395), (1666, 17040), (1680, 16898), (1704, 16660), (1785, 15904), (1904, 14910), (1960, 14484), (1988, 14280), (2040, 13916), (2130, 13328), (2272, 12495), (2352, 12070), (2380, 11928), (2414, 11760), (2485, 11424), (2499, 11360), (2720, 10437), (2840, 9996), (2856, 9940), (2940, 9656), (2982, 9520), (3332, 8520), (3360, 8449), (3408, 8330), (3479, 8160), (3570, 7952), (3621, 7840), (3808, 7455), (3920, 7242), (3976, 7140), (4080, 6958), (4165, 6816), (4260, 6664), (4704, 6035), (4760, 5964), (4828, 5880), (4970, 5712), (4998, 5680)]