31010280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:136

約数の個数: 256

約数和(自身を含む): 117504000

約数和(自身を除く): 86493720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 29, 30, 35, 38, 40, 42, 56, 57, 58, 60, 67, 70, 76, 84, 87, 95, 105, 114, 116, 120, 133, 134, 140, 145, 152, 168, 174, 190, 201, 203, 210, 228, 232, 266, 268, 280, 285, 290, 335, 348, 380, 399, 402, 406, 420, 435, 456, 469, 532, 536, 551, 570, 580, 609, 665, 670, 696, 760, 798, 804, 812, 840, 870, 938, 1005, 1015, 1064, 1102, 1140, 1160, 1218, 1273, 1330, 1340, 1407, 1596, 1608, 1624, 1653, 1740, 1876, 1943, 1995, 2010, 2030, 2204, 2280, 2345, 2436, 2546, 2660, 2680, 2755, 2814, 3045, 3192, 3306, 3480, 3752, 3819, 3857, 3886, 3990, 4020, 4060, 4408, 4690, 4872, 5092, 5320, 5510, 5628, 5829, 6090, 6365, 6612, 7035, 7638, 7714, 7772, 7980, 8040, 8120, 8265, 8911, 9380, 9715, 10184, 11020, 11256, 11571, 11658, 12180, 12730, 13224, 13601, 14070, 15276, 15428, 15544, 15960, 16530, 17822, 18760, 19095, 19285, 19430, 22040, 23142, 23316, 24360, 25460, 26733, 27202, 28140, 29145, 30552, 30856, 33060, 35644, 36917, 38190, 38570, 38860, 40803, 44555, 46284, 46632, 50920, 53466, 54404, 56280, 57855, 58290, 66120, 68005, 71288, 73834, 76380, 77140, 77720, 81606, 89110, 92568, 106932, 108808, 110751, 115710, 116580, 133665, 136010, 147668, 152760, 154280, 163212, 178220, 184585, 204015, 213864, 221502, 231420, 233160, 258419, 267330, 272020, 295336, 326424, 356440, 369170, 408030, 443004, 462840, 516838, 534660, 544040, 553755, 738340, 775257, 816060, 886008, 1033676, 1069320, 1107510, 1292095, 1476680, 1550514, 1632120, 2067352, 2215020, 2584190, 3101028, 3876285, 4430040, 5168380, 6202056, 7752570, 10336760, 15505140, 31010280]

約数ペア:

[(1, 31010280), (2, 15505140), (3, 10336760), (4, 7752570), (5, 6202056), (6, 5168380), (7, 4430040), (8, 3876285), (10, 3101028), (12, 2584190), (14, 2215020), (15, 2067352), (19, 1632120), (20, 1550514), (21, 1476680), (24, 1292095), (28, 1107510), (29, 1069320), (30, 1033676), (35, 886008), (38, 816060), (40, 775257), (42, 738340), (56, 553755), (57, 544040), (58, 534660), (60, 516838), (67, 462840), (70, 443004), (76, 408030), (84, 369170), (87, 356440), (95, 326424), (105, 295336), (114, 272020), (116, 267330), (120, 258419), (133, 233160), (134, 231420), (140, 221502), (145, 213864), (152, 204015), (168, 184585), (174, 178220), (190, 163212), (201, 154280), (203, 152760), (210, 147668), (228, 136010), (232, 133665), (266, 116580), (268, 115710), (280, 110751), (285, 108808), (290, 106932), (335, 92568), (348, 89110), (380, 81606), (399, 77720), (402, 77140), (406, 76380), (420, 73834), (435, 71288), (456, 68005), (469, 66120), (532, 58290), (536, 57855), (551, 56280), (570, 54404), (580, 53466), (609, 50920), (665, 46632), (670, 46284), (696, 44555), (760, 40803), (798, 38860), (804, 38570), (812, 38190), (840, 36917), (870, 35644), (938, 33060), (1005, 30856), (1015, 30552), (1064, 29145), (1102, 28140), (1140, 27202), (1160, 26733), (1218, 25460), (1273, 24360), (1330, 23316), (1340, 23142), (1407, 22040), (1596, 19430), (1608, 19285), (1624, 19095), (1653, 18760), (1740, 17822), (1876, 16530), (1943, 15960), (1995, 15544), (2010, 15428), (2030, 15276), (2204, 14070), (2280, 13601), (2345, 13224), (2436, 12730), (2546, 12180), (2660, 11658), (2680, 11571), (2755, 11256), (2814, 11020), (3045, 10184), (3192, 9715), (3306, 9380), (3480, 8911), (3752, 8265), (3819, 8120), (3857, 8040), (3886, 7980), (3990, 7772), (4020, 7714), (4060, 7638), (4408, 7035), (4690, 6612), (4872, 6365), (5092, 6090), (5320, 5829), (5510, 5628)]