27997440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 93598848

約数和(自身を除く): 65601408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 317, 320, 345, 368, 384, 460, 480, 552, 634, 640, 690, 736, 768, 920, 951, 960, 1104, 1268, 1280, 1380, 1472, 1585, 1840, 1902, 1920, 2208, 2536, 2760, 2944, 3170, 3680, 3804, 3840, 4416, 4755, 5072, 5520, 5888, 6340, 7291, 7360, 7608, 8832, 9510, 10144, 11040, 12680, 14582, 14720, 15216, 17664, 19020, 20288, 21873, 22080, 25360, 29164, 29440, 30432, 36455, 38040, 40576, 43746, 44160, 50720, 58328, 60864, 72910, 76080, 81152, 87492, 88320, 101440, 109365, 116656, 121728, 145820, 152160, 174984, 202880, 218730, 233312, 243456, 291640, 304320, 349968, 405760, 437460, 466624, 583280, 608640, 699936, 874920, 933248, 1166560, 1217280, 1399872, 1749840, 1866496, 2333120, 2799744, 3499680, 4666240, 5599488, 6999360, 9332480, 13998720, 27997440]

約数ペア:

[(1, 27997440), (2, 13998720), (3, 9332480), (4, 6999360), (5, 5599488), (6, 4666240), (8, 3499680), (10, 2799744), (12, 2333120), (15, 1866496), (16, 1749840), (20, 1399872), (23, 1217280), (24, 1166560), (30, 933248), (32, 874920), (40, 699936), (46, 608640), (48, 583280), (60, 466624), (64, 437460), (69, 405760), (80, 349968), (92, 304320), (96, 291640), (115, 243456), (120, 233312), (128, 218730), (138, 202880), (160, 174984), (184, 152160), (192, 145820), (230, 121728), (240, 116656), (256, 109365), (276, 101440), (317, 88320), (320, 87492), (345, 81152), (368, 76080), (384, 72910), (460, 60864), (480, 58328), (552, 50720), (634, 44160), (640, 43746), (690, 40576), (736, 38040), (768, 36455), (920, 30432), (951, 29440), (960, 29164), (1104, 25360), (1268, 22080), (1280, 21873), (1380, 20288), (1472, 19020), (1585, 17664), (1840, 15216), (1902, 14720), (1920, 14582), (2208, 12680), (2536, 11040), (2760, 10144), (2944, 9510), (3170, 8832), (3680, 7608), (3804, 7360), (3840, 7291), (4416, 6340), (4755, 5888), (5072, 5520)]