281480640

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{41887}}^1$

素因数の和:41914

約数の個数: 112

約数和(自身を含む): 1021396992

約数和(自身を除く): 739916352

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 41887, 83774, 125661, 167548, 209435, 251322, 293209, 335096, 418870, 502644, 586418, 628305, 670192, 837740, 879627, 1005288, 1172836, 1256610, 1340384, 1466045, 1675480, 1759254, 2010576, 2345672, 2513220, 2680768, 2932090, 3350960, 3518508, 4021152, 4398135, 4691344, 5026440, 5864180, 6701920, 7037016, 8042304, 8796270, 9382688, 10052880, 11728360, 13403840, 14074032, 17592540, 18765376, 20105760, 23456720, 28148064, 35185080, 40211520, 46913440, 56296128, 70370160, 93826880, 140740320, 281480640]

約数ペア:

[(1, 281480640), (2, 140740320), (3, 93826880), (4, 70370160), (5, 56296128), (6, 46913440), (7, 40211520), (8, 35185080), (10, 28148064), (12, 23456720), (14, 20105760), (15, 18765376), (16, 17592540), (20, 14074032), (21, 13403840), (24, 11728360), (28, 10052880), (30, 9382688), (32, 8796270), (35, 8042304), (40, 7037016), (42, 6701920), (48, 5864180), (56, 5026440), (60, 4691344), (64, 4398135), (70, 4021152), (80, 3518508), (84, 3350960), (96, 2932090), (105, 2680768), (112, 2513220), (120, 2345672), (140, 2010576), (160, 1759254), (168, 1675480), (192, 1466045), (210, 1340384), (224, 1256610), (240, 1172836), (280, 1005288), (320, 879627), (336, 837740), (420, 670192), (448, 628305), (480, 586418), (560, 502644), (672, 418870), (840, 335096), (960, 293209), (1120, 251322), (1344, 209435), (1680, 167548), (2240, 125661), (3360, 83774), (6720, 41887)]