315088000

素因数分解:

$2^7\times 5^3\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 801964800

約数和(自身を除く): 486876800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 64, 80, 94, 100, 125, 128, 160, 188, 200, 235, 250, 320, 376, 400, 419, 470, 500, 640, 752, 800, 838, 940, 1000, 1175, 1504, 1600, 1676, 1880, 2000, 2095, 2350, 3008, 3200, 3352, 3760, 4000, 4190, 4700, 5875, 6016, 6704, 7520, 8000, 8380, 9400, 10475, 11750, 13408, 15040, 16000, 16760, 18800, 19693, 20950, 23500, 26816, 30080, 33520, 37600, 39386, 41900, 47000, 52375, 53632, 67040, 75200, 78772, 83800, 94000, 98465, 104750, 134080, 150400, 157544, 167600, 188000, 196930, 209500, 268160, 315088, 335200, 376000, 393860, 419000, 492325, 630176, 670400, 752000, 787720, 838000, 984650, 1260352, 1340800, 1575440, 1676000, 1969300, 2461625, 2520704, 3150880, 3352000, 3938600, 4923250, 6301760, 6704000, 7877200, 9846500, 12603520, 15754400, 19693000, 31508800, 39386000, 63017600, 78772000, 157544000, 315088000]

約数ペア:

[(1, 315088000), (2, 157544000), (4, 78772000), (5, 63017600), (8, 39386000), (10, 31508800), (16, 19693000), (20, 15754400), (25, 12603520), (32, 9846500), (40, 7877200), (47, 6704000), (50, 6301760), (64, 4923250), (80, 3938600), (94, 3352000), (100, 3150880), (125, 2520704), (128, 2461625), (160, 1969300), (188, 1676000), (200, 1575440), (235, 1340800), (250, 1260352), (320, 984650), (376, 838000), (400, 787720), (419, 752000), (470, 670400), (500, 630176), (640, 492325), (752, 419000), (800, 393860), (838, 376000), (940, 335200), (1000, 315088), (1175, 268160), (1504, 209500), (1600, 196930), (1676, 188000), (1880, 167600), (2000, 157544), (2095, 150400), (2350, 134080), (3008, 104750), (3200, 98465), (3352, 94000), (3760, 83800), (4000, 78772), (4190, 75200), (4700, 67040), (5875, 53632), (6016, 52375), (6704, 47000), (7520, 41900), (8000, 39386), (8380, 37600), (9400, 33520), (10475, 30080), (11750, 26816), (13408, 23500), (15040, 20950), (16000, 19693), (16760, 18800)]