28372800

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:305

約数の個数: 168

約数和(自身を含む): 97511616

約数和(自身を除く): 69138816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 32, 40, 46, 48, 50, 60, 64, 69, 75, 80, 92, 96, 100, 115, 120, 138, 150, 160, 184, 192, 200, 230, 240, 257, 276, 300, 320, 345, 368, 400, 460, 480, 514, 552, 575, 600, 690, 736, 771, 800, 920, 960, 1028, 1104, 1150, 1200, 1285, 1380, 1472, 1542, 1600, 1725, 1840, 2056, 2208, 2300, 2400, 2570, 2760, 3084, 3450, 3680, 3855, 4112, 4416, 4600, 4800, 5140, 5520, 5911, 6168, 6425, 6900, 7360, 7710, 8224, 9200, 10280, 11040, 11822, 12336, 12850, 13800, 15420, 16448, 17733, 18400, 19275, 20560, 22080, 23644, 24672, 25700, 27600, 29555, 30840, 35466, 36800, 38550, 41120, 47288, 49344, 51400, 55200, 59110, 61680, 70932, 77100, 82240, 88665, 94576, 102800, 110400, 118220, 123360, 141864, 147775, 154200, 177330, 189152, 205600, 236440, 246720, 283728, 295550, 308400, 354660, 378304, 411200, 443325, 472880, 567456, 591100, 616800, 709320, 886650, 945760, 1134912, 1182200, 1233600, 1418640, 1773300, 1891520, 2364400, 2837280, 3546600, 4728800, 5674560, 7093200, 9457600, 14186400, 28372800]

約数ペア:

[(1, 28372800), (2, 14186400), (3, 9457600), (4, 7093200), (5, 5674560), (6, 4728800), (8, 3546600), (10, 2837280), (12, 2364400), (15, 1891520), (16, 1773300), (20, 1418640), (23, 1233600), (24, 1182200), (25, 1134912), (30, 945760), (32, 886650), (40, 709320), (46, 616800), (48, 591100), (50, 567456), (60, 472880), (64, 443325), (69, 411200), (75, 378304), (80, 354660), (92, 308400), (96, 295550), (100, 283728), (115, 246720), (120, 236440), (138, 205600), (150, 189152), (160, 177330), (184, 154200), (192, 147775), (200, 141864), (230, 123360), (240, 118220), (257, 110400), (276, 102800), (300, 94576), (320, 88665), (345, 82240), (368, 77100), (400, 70932), (460, 61680), (480, 59110), (514, 55200), (552, 51400), (575, 49344), (600, 47288), (690, 41120), (736, 38550), (771, 36800), (800, 35466), (920, 30840), (960, 29555), (1028, 27600), (1104, 25700), (1150, 24672), (1200, 23644), (1285, 22080), (1380, 20560), (1472, 19275), (1542, 18400), (1600, 17733), (1725, 16448), (1840, 15420), (2056, 13800), (2208, 12850), (2300, 12336), (2400, 11822), (2570, 11040), (2760, 10280), (3084, 9200), (3450, 8224), (3680, 7710), (3855, 7360), (4112, 6900), (4416, 6425), (4600, 6168), (4800, 5911), (5140, 5520)]