80864000

素因数分解:

$2^8\times 5^3\times 7^1\times {\mathrm{19}}^2$

素因数の和:76

約数の個数: 216

約数和(自身を含む): 242974368

約数和(自身を除く): 162110368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 50, 56, 64, 70, 76, 80, 95, 100, 112, 125, 128, 133, 140, 152, 160, 175, 190, 200, 224, 250, 256, 266, 280, 304, 320, 350, 361, 380, 400, 448, 475, 500, 532, 560, 608, 640, 665, 700, 722, 760, 800, 875, 896, 950, 1000, 1064, 1120, 1216, 1280, 1330, 1400, 1444, 1520, 1600, 1750, 1792, 1805, 1900, 2000, 2128, 2240, 2375, 2432, 2527, 2660, 2800, 2888, 3040, 3200, 3325, 3500, 3610, 3800, 4000, 4256, 4480, 4750, 4864, 5054, 5320, 5600, 5776, 6080, 6400, 6650, 7000, 7220, 7600, 8000, 8512, 8960, 9025, 9500, 10108, 10640, 11200, 11552, 12160, 12635, 13300, 14000, 14440, 15200, 16000, 16625, 17024, 18050, 19000, 20216, 21280, 22400, 23104, 24320, 25270, 26600, 28000, 28880, 30400, 32000, 33250, 34048, 36100, 38000, 40432, 42560, 44800, 45125, 46208, 50540, 53200, 56000, 57760, 60800, 63175, 66500, 72200, 76000, 80864, 85120, 90250, 92416, 101080, 106400, 112000, 115520, 121600, 126350, 133000, 144400, 152000, 161728, 170240, 180500, 202160, 212800, 224000, 231040, 252700, 266000, 288800, 304000, 315875, 323456, 361000, 404320, 425600, 462080, 505400, 532000, 577600, 608000, 631750, 646912, 722000, 808640, 851200, 1010800, 1064000, 1155200, 1263500, 1444000, 1617280, 2021600, 2128000, 2310400, 2527000, 2888000, 3234560, 4043200, 4256000, 5054000, 5776000, 8086400, 10108000, 11552000, 16172800, 20216000, 40432000, 80864000]

約数ペア:

[(1, 80864000), (2, 40432000), (4, 20216000), (5, 16172800), (7, 11552000), (8, 10108000), (10, 8086400), (14, 5776000), (16, 5054000), (19, 4256000), (20, 4043200), (25, 3234560), (28, 2888000), (32, 2527000), (35, 2310400), (38, 2128000), (40, 2021600), (50, 1617280), (56, 1444000), (64, 1263500), (70, 1155200), (76, 1064000), (80, 1010800), (95, 851200), (100, 808640), (112, 722000), (125, 646912), (128, 631750), (133, 608000), (140, 577600), (152, 532000), (160, 505400), (175, 462080), (190, 425600), (200, 404320), (224, 361000), (250, 323456), (256, 315875), (266, 304000), (280, 288800), (304, 266000), (320, 252700), (350, 231040), (361, 224000), (380, 212800), (400, 202160), (448, 180500), (475, 170240), (500, 161728), (532, 152000), (560, 144400), (608, 133000), (640, 126350), (665, 121600), (700, 115520), (722, 112000), (760, 106400), (800, 101080), (875, 92416), (896, 90250), (950, 85120), (1000, 80864), (1064, 76000), (1120, 72200), (1216, 66500), (1280, 63175), (1330, 60800), (1400, 57760), (1444, 56000), (1520, 53200), (1600, 50540), (1750, 46208), (1792, 45125), (1805, 44800), (1900, 42560), (2000, 40432), (2128, 38000), (2240, 36100), (2375, 34048), (2432, 33250), (2527, 32000), (2660, 30400), (2800, 28880), (2888, 28000), (3040, 26600), (3200, 25270), (3325, 24320), (3500, 23104), (3610, 22400), (3800, 21280), (4000, 20216), (4256, 19000), (4480, 18050), (4750, 17024), (4864, 16625), (5054, 16000), (5320, 15200), (5600, 14440), (5776, 14000), (6080, 13300), (6400, 12635), (6650, 12160), (7000, 11552), (7220, 11200), (7600, 10640), (8000, 10108), (8512, 9500), (8960, 9025)]