28312800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:321

約数の個数: 144

約数和(自身を含む): 94493952

約数和(自身を除く): 66181152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 47, 48, 50, 60, 75, 80, 94, 96, 100, 120, 141, 150, 160, 188, 200, 235, 240, 251, 282, 300, 376, 400, 470, 480, 502, 564, 600, 705, 752, 753, 800, 940, 1004, 1128, 1175, 1200, 1255, 1410, 1504, 1506, 1880, 2008, 2256, 2350, 2400, 2510, 2820, 3012, 3525, 3760, 3765, 4016, 4512, 4700, 5020, 5640, 6024, 6275, 7050, 7520, 7530, 8032, 9400, 10040, 11280, 11797, 12048, 12550, 14100, 15060, 18800, 18825, 20080, 22560, 23594, 24096, 25100, 28200, 30120, 35391, 37600, 37650, 40160, 47188, 50200, 56400, 58985, 60240, 70782, 75300, 94376, 100400, 112800, 117970, 120480, 141564, 150600, 176955, 188752, 200800, 235940, 283128, 294925, 301200, 353910, 377504, 471880, 566256, 589850, 602400, 707820, 884775, 943760, 1132512, 1179700, 1415640, 1769550, 1887520, 2359400, 2831280, 3539100, 4718800, 5662560, 7078200, 9437600, 14156400, 28312800]

約数ペア:

[(1, 28312800), (2, 14156400), (3, 9437600), (4, 7078200), (5, 5662560), (6, 4718800), (8, 3539100), (10, 2831280), (12, 2359400), (15, 1887520), (16, 1769550), (20, 1415640), (24, 1179700), (25, 1132512), (30, 943760), (32, 884775), (40, 707820), (47, 602400), (48, 589850), (50, 566256), (60, 471880), (75, 377504), (80, 353910), (94, 301200), (96, 294925), (100, 283128), (120, 235940), (141, 200800), (150, 188752), (160, 176955), (188, 150600), (200, 141564), (235, 120480), (240, 117970), (251, 112800), (282, 100400), (300, 94376), (376, 75300), (400, 70782), (470, 60240), (480, 58985), (502, 56400), (564, 50200), (600, 47188), (705, 40160), (752, 37650), (753, 37600), (800, 35391), (940, 30120), (1004, 28200), (1128, 25100), (1175, 24096), (1200, 23594), (1255, 22560), (1410, 20080), (1504, 18825), (1506, 18800), (1880, 15060), (2008, 14100), (2256, 12550), (2350, 12048), (2400, 11797), (2510, 11280), (2820, 10040), (3012, 9400), (3525, 8032), (3760, 7530), (3765, 7520), (4016, 7050), (4512, 6275), (4700, 6024), (5020, 5640)]