81687496.000000000

素因数分解:

$2^6\times 5^3\times 7^2\times {\mathrm{607}}^1$

素因数の和:648

約数の個数: 168

約数和(自身を含む): 686604672

約数和(自身を除く): 448660672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 125, 140, 160, 175, 196, 200, 224, 245, 250, 280, 320, 350, 392, 400, 448, 490, 500, 560, 607, 700, 784, 800, 875, 980, 1000, 1120, 1214, 1225, 1400, 1568, 1600, 1750, 1960, 2000, 2240, 2428, 2450, 2800, 3035, 3136, 3500, 3920, 4000, 4249, 4856, 4900, 5600, 6070, 6125, 7000, 7840, 8000, 8498, 9712, 9800, 11200, 12140, 12250, 14000, 15175, 15680, 16996, 19424, 19600, 21245, 24280, 24500, 28000, 29743, 30350, 33992, 38848, 39200, 42490, 48560, 49000, 56000, 59486, 60700, 67984, 75875, 78400, 84980, 97120, 98000, 106225, 118972, 121400, 135968, 148715, 151750, 169960, 194240, 196000, 212450, 237944, 242800, 271936, 297430, 303500, 339920, 392000, 424900, 475888, 485600, 531125, 594860, 607000, 679840, 743575, 849800, 951776, 971200, 1062250, 1189720, 1214000, 1359680, 1487150, 1699600, 1903552, 2124500, 2379440, 2428000, 2974300, 3399200, 3717875, 4249000, 4758880, 4856000, 5948600, 6798400, 7435750, 8498000, 9517760, 11897200, 14871500, 16996000, 23794400, 29743000, 33992000, 47588800, 59486000, 118972000, 237944000]

約数ペア:

[(1, 237944000), (2, 118972000), (4, 59486000), (5, 47588800), (7, 33992000), (8, 29743000), (10, 23794400), (14, 16996000), (16, 14871500), (20, 11897200), (25, 9517760), (28, 8498000), (32, 7435750), (35, 6798400), (40, 5948600), (49, 4856000), (50, 4758880), (56, 4249000), (64, 3717875), (70, 3399200), (80, 2974300), (98, 2428000), (100, 2379440), (112, 2124500), (125, 1903552), (140, 1699600), (160, 1487150), (175, 1359680), (196, 1214000), (200, 1189720), (224, 1062250), (245, 971200), (250, 951776), (280, 849800), (320, 743575), (350, 679840), (392, 607000), (400, 594860), (448, 531125), (490, 485600), (500, 475888), (560, 424900), (607, 392000), (700, 339920), (784, 303500), (800, 297430), (875, 271936), (980, 242800), (1000, 237944), (1120, 212450), (1214, 196000), (1225, 194240), (1400, 169960), (1568, 151750), (1600, 148715), (1750, 135968), (1960, 121400), (2000, 118972), (2240, 106225), (2428, 98000), (2450, 97120), (2800, 84980), (3035, 78400), (3136, 75875), (3500, 67984), (3920, 60700), (4000, 59486), (4249, 56000), (4856, 49000), (4900, 48560), (5600, 42490), (6070, 39200), (6125, 38848), (7000, 33992), (7840, 30350), (8000, 29743), (8498, 28000), (9712, 24500), (9800, 24280), (11200, 21245), (12140, 19600), (12250, 19424), (14000, 16996), (15175, 15680)]