28432800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{359}}^1$

素因数の和:396

約数の個数: 216

約数和(自身を含む): 109680480

約数和(自身を除く): 81247680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 25, 30, 32, 33, 36, 40, 44, 45, 48, 50, 55, 60, 66, 72, 75, 80, 88, 90, 96, 99, 100, 110, 120, 132, 144, 150, 160, 165, 176, 180, 198, 200, 220, 225, 240, 264, 275, 288, 300, 330, 352, 359, 360, 396, 400, 440, 450, 480, 495, 528, 550, 600, 660, 718, 720, 792, 800, 825, 880, 900, 990, 1056, 1077, 1100, 1200, 1320, 1436, 1440, 1584, 1650, 1760, 1795, 1800, 1980, 2154, 2200, 2400, 2475, 2640, 2872, 3168, 3231, 3300, 3590, 3600, 3949, 3960, 4308, 4400, 4950, 5280, 5385, 5744, 6462, 6600, 7180, 7200, 7898, 7920, 8616, 8800, 8975, 9900, 10770, 11488, 11847, 12924, 13200, 14360, 15796, 15840, 16155, 17232, 17950, 19745, 19800, 21540, 23694, 25848, 26400, 26925, 28720, 31592, 32310, 34464, 35541, 35900, 39490, 39600, 43080, 47388, 51696, 53850, 57440, 59235, 63184, 64620, 71082, 71800, 78980, 79200, 80775, 86160, 94776, 98725, 103392, 107700, 118470, 126368, 129240, 142164, 143600, 157960, 161550, 172320, 177705, 189552, 197450, 215400, 236940, 258480, 284328, 287200, 296175, 315920, 323100, 355410, 379104, 394900, 430800, 473880, 516960, 568656, 592350, 631840, 646200, 710820, 789800, 861600, 888525, 947760, 1137312, 1184700, 1292400, 1421640, 1579600, 1777050, 1895520, 2369400, 2584800, 2843280, 3159200, 3554100, 4738800, 5686560, 7108200, 9477600, 14216400, 28432800]

約数ペア:

[(1, 28432800), (2, 14216400), (3, 9477600), (4, 7108200), (5, 5686560), (6, 4738800), (8, 3554100), (9, 3159200), (10, 2843280), (11, 2584800), (12, 2369400), (15, 1895520), (16, 1777050), (18, 1579600), (20, 1421640), (22, 1292400), (24, 1184700), (25, 1137312), (30, 947760), (32, 888525), (33, 861600), (36, 789800), (40, 710820), (44, 646200), (45, 631840), (48, 592350), (50, 568656), (55, 516960), (60, 473880), (66, 430800), (72, 394900), (75, 379104), (80, 355410), (88, 323100), (90, 315920), (96, 296175), (99, 287200), (100, 284328), (110, 258480), (120, 236940), (132, 215400), (144, 197450), (150, 189552), (160, 177705), (165, 172320), (176, 161550), (180, 157960), (198, 143600), (200, 142164), (220, 129240), (225, 126368), (240, 118470), (264, 107700), (275, 103392), (288, 98725), (300, 94776), (330, 86160), (352, 80775), (359, 79200), (360, 78980), (396, 71800), (400, 71082), (440, 64620), (450, 63184), (480, 59235), (495, 57440), (528, 53850), (550, 51696), (600, 47388), (660, 43080), (718, 39600), (720, 39490), (792, 35900), (800, 35541), (825, 34464), (880, 32310), (900, 31592), (990, 28720), (1056, 26925), (1077, 26400), (1100, 25848), (1200, 23694), (1320, 21540), (1436, 19800), (1440, 19745), (1584, 17950), (1650, 17232), (1760, 16155), (1795, 15840), (1800, 15796), (1980, 14360), (2154, 13200), (2200, 12924), (2400, 11847), (2475, 11488), (2640, 10770), (2872, 9900), (3168, 8975), (3231, 8800), (3300, 8616), (3590, 7920), (3600, 7898), (3949, 7200), (3960, 7180), (4308, 6600), (4400, 6462), (4950, 5744), (5280, 5385)]