31649280

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1$

素因数の和:356

約数の個数: 160

約数和(自身を含む): 109305504

約数和(自身を除く): 77656224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 317, 320, 384, 390, 416, 480, 512, 520, 624, 634, 640, 768, 780, 832, 951, 960, 1040, 1248, 1268, 1280, 1536, 1560, 1585, 1664, 1902, 1920, 2080, 2496, 2536, 2560, 3120, 3170, 3328, 3804, 3840, 4121, 4160, 4755, 4992, 5072, 6240, 6340, 6656, 7608, 7680, 8242, 8320, 9510, 9984, 10144, 12363, 12480, 12680, 15216, 16484, 16640, 19020, 19968, 20288, 20605, 24726, 24960, 25360, 30432, 32968, 33280, 38040, 40576, 41210, 49452, 49920, 50720, 60864, 61815, 65936, 76080, 81152, 82420, 98904, 99840, 101440, 121728, 123630, 131872, 152160, 162304, 164840, 197808, 202880, 243456, 247260, 263744, 304320, 329680, 395616, 405760, 486912, 494520, 527488, 608640, 659360, 791232, 811520, 989040, 1054976, 1217280, 1318720, 1582464, 1978080, 2109952, 2434560, 2637440, 3164928, 3956160, 5274880, 6329856, 7912320, 10549760, 15824640, 31649280]

約数ペア:

[(1, 31649280), (2, 15824640), (3, 10549760), (4, 7912320), (5, 6329856), (6, 5274880), (8, 3956160), (10, 3164928), (12, 2637440), (13, 2434560), (15, 2109952), (16, 1978080), (20, 1582464), (24, 1318720), (26, 1217280), (30, 1054976), (32, 989040), (39, 811520), (40, 791232), (48, 659360), (52, 608640), (60, 527488), (64, 494520), (65, 486912), (78, 405760), (80, 395616), (96, 329680), (104, 304320), (120, 263744), (128, 247260), (130, 243456), (156, 202880), (160, 197808), (192, 164840), (195, 162304), (208, 152160), (240, 131872), (256, 123630), (260, 121728), (312, 101440), (317, 99840), (320, 98904), (384, 82420), (390, 81152), (416, 76080), (480, 65936), (512, 61815), (520, 60864), (624, 50720), (634, 49920), (640, 49452), (768, 41210), (780, 40576), (832, 38040), (951, 33280), (960, 32968), (1040, 30432), (1248, 25360), (1268, 24960), (1280, 24726), (1536, 20605), (1560, 20288), (1585, 19968), (1664, 19020), (1902, 16640), (1920, 16484), (2080, 15216), (2496, 12680), (2536, 12480), (2560, 12363), (3120, 10144), (3170, 9984), (3328, 9510), (3804, 8320), (3840, 8242), (4121, 7680), (4160, 7608), (4755, 6656), (4992, 6340), (5072, 6240)]