71431680

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 160

約数和(自身を含む): 233342208

約数和(自身を除く): 161910528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 128, 131, 142, 160, 192, 213, 240, 256, 262, 284, 320, 355, 384, 393, 426, 480, 512, 524, 568, 640, 655, 710, 768, 786, 852, 960, 1048, 1065, 1136, 1280, 1310, 1420, 1536, 1572, 1704, 1920, 1965, 2096, 2130, 2272, 2560, 2620, 2840, 3144, 3408, 3840, 3930, 4192, 4260, 4544, 5240, 5680, 6288, 6816, 7680, 7860, 8384, 8520, 9088, 9301, 10480, 11360, 12576, 13632, 15720, 16768, 17040, 18176, 18602, 20960, 22720, 25152, 27264, 27903, 31440, 33536, 34080, 36352, 37204, 41920, 45440, 46505, 50304, 54528, 55806, 62880, 67072, 68160, 74408, 83840, 90880, 93010, 100608, 109056, 111612, 125760, 136320, 139515, 148816, 167680, 181760, 186020, 201216, 223224, 251520, 272640, 279030, 297632, 335360, 372040, 446448, 503040, 545280, 558060, 595264, 744080, 892896, 1006080, 1116120, 1190528, 1488160, 1785792, 2232240, 2381056, 2976320, 3571584, 4464480, 4762112, 5952640, 7143168, 8928960, 11905280, 14286336, 17857920, 23810560, 35715840, 71431680]

約数ペア:

[(1, 71431680), (2, 35715840), (3, 23810560), (4, 17857920), (5, 14286336), (6, 11905280), (8, 8928960), (10, 7143168), (12, 5952640), (15, 4762112), (16, 4464480), (20, 3571584), (24, 2976320), (30, 2381056), (32, 2232240), (40, 1785792), (48, 1488160), (60, 1190528), (64, 1116120), (71, 1006080), (80, 892896), (96, 744080), (120, 595264), (128, 558060), (131, 545280), (142, 503040), (160, 446448), (192, 372040), (213, 335360), (240, 297632), (256, 279030), (262, 272640), (284, 251520), (320, 223224), (355, 201216), (384, 186020), (393, 181760), (426, 167680), (480, 148816), (512, 139515), (524, 136320), (568, 125760), (640, 111612), (655, 109056), (710, 100608), (768, 93010), (786, 90880), (852, 83840), (960, 74408), (1048, 68160), (1065, 67072), (1136, 62880), (1280, 55806), (1310, 54528), (1420, 50304), (1536, 46505), (1572, 45440), (1704, 41920), (1920, 37204), (1965, 36352), (2096, 34080), (2130, 33536), (2272, 31440), (2560, 27903), (2620, 27264), (2840, 25152), (3144, 22720), (3408, 20960), (3840, 18602), (3930, 18176), (4192, 17040), (4260, 16768), (4544, 15720), (5240, 13632), (5680, 12576), (6288, 11360), (6816, 10480), (7680, 9301), (7860, 9088), (8384, 8520)]