256554000

素因数分解:

$2^4\times 3^3\times 5^3\times {\mathrm{4751}}^1$

素因数の和:4783

約数の個数: 160

約数和(自身を含む): 919226880

約数和(自身を除く): 662672880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 100, 108, 120, 125, 135, 144, 150, 180, 200, 216, 225, 240, 250, 270, 300, 360, 375, 400, 432, 450, 500, 540, 600, 675, 720, 750, 900, 1000, 1080, 1125, 1200, 1350, 1500, 1800, 2000, 2160, 2250, 2700, 3000, 3375, 3600, 4500, 4751, 5400, 6000, 6750, 9000, 9502, 10800, 13500, 14253, 18000, 19004, 23755, 27000, 28506, 38008, 42759, 47510, 54000, 57012, 71265, 76016, 85518, 95020, 114024, 118775, 128277, 142530, 171036, 190040, 213795, 228048, 237550, 256554, 285060, 342072, 356325, 380080, 427590, 475100, 513108, 570120, 593875, 641385, 684144, 712650, 855180, 950200, 1026216, 1068975, 1140240, 1187750, 1282770, 1425300, 1710360, 1781625, 1900400, 2052432, 2137950, 2375500, 2565540, 2850600, 3206925, 3420720, 3563250, 4275900, 4751000, 5131080, 5344875, 5701200, 6413850, 7126500, 8551800, 9502000, 10262160, 10689750, 12827700, 14253000, 16034625, 17103600, 21379500, 25655400, 28506000, 32069250, 42759000, 51310800, 64138500, 85518000, 128277000, 256554000]

約数ペア:

[(1, 256554000), (2, 128277000), (3, 85518000), (4, 64138500), (5, 51310800), (6, 42759000), (8, 32069250), (9, 28506000), (10, 25655400), (12, 21379500), (15, 17103600), (16, 16034625), (18, 14253000), (20, 12827700), (24, 10689750), (25, 10262160), (27, 9502000), (30, 8551800), (36, 7126500), (40, 6413850), (45, 5701200), (48, 5344875), (50, 5131080), (54, 4751000), (60, 4275900), (72, 3563250), (75, 3420720), (80, 3206925), (90, 2850600), (100, 2565540), (108, 2375500), (120, 2137950), (125, 2052432), (135, 1900400), (144, 1781625), (150, 1710360), (180, 1425300), (200, 1282770), (216, 1187750), (225, 1140240), (240, 1068975), (250, 1026216), (270, 950200), (300, 855180), (360, 712650), (375, 684144), (400, 641385), (432, 593875), (450, 570120), (500, 513108), (540, 475100), (600, 427590), (675, 380080), (720, 356325), (750, 342072), (900, 285060), (1000, 256554), (1080, 237550), (1125, 228048), (1200, 213795), (1350, 190040), (1500, 171036), (1800, 142530), (2000, 128277), (2160, 118775), (2250, 114024), (2700, 95020), (3000, 85518), (3375, 76016), (3600, 71265), (4500, 57012), (4751, 54000), (5400, 47510), (6000, 42759), (6750, 38008), (9000, 28506), (9502, 27000), (10800, 23755), (13500, 19004), (14253, 18000)]