281527680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{20947}}^1$

素因数の和:20976

約数の個数: 128

約数和(自身を含む): 1025614080

約数和(自身を除く): 744086400

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, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 20947, 41894, 62841, 83788, 104735, 125682, 146629, 167576, 209470, 251364, 293258, 314205, 335152, 418940, 439887, 502728, 586516, 628410, 670304, 733145, 837880, 879774, 1005456, 1173032, 1256820, 1340608, 1466290, 1675760, 1759548, 2010912, 2199435, 2346064, 2513640, 2681216, 2932580, 3351520, 3519096, 4021824, 4398870, 4692128, 5027280, 5865160, 6703040, 7038192, 8043648, 8797740, 9384256, 10054560, 11730320, 13406080, 14076384, 17595480, 18768512, 20109120, 23460640, 28152768, 35190960, 40218240, 46921280, 56305536, 70381920, 93842560, 140763840, 281527680]

約数ペア:

[(1, 281527680), (2, 140763840), (3, 93842560), (4, 70381920), (5, 56305536), (6, 46921280), (7, 40218240), (8, 35190960), (10, 28152768), (12, 23460640), (14, 20109120), (15, 18768512), (16, 17595480), (20, 14076384), (21, 13406080), (24, 11730320), (28, 10054560), (30, 9384256), (32, 8797740), (35, 8043648), (40, 7038192), (42, 6703040), (48, 5865160), (56, 5027280), (60, 4692128), (64, 4398870), (70, 4021824), (80, 3519096), (84, 3351520), (96, 2932580), (105, 2681216), (112, 2513640), (120, 2346064), (128, 2199435), (140, 2010912), (160, 1759548), (168, 1675760), (192, 1466290), (210, 1340608), (224, 1256820), (240, 1173032), (280, 1005456), (320, 879774), (336, 837880), (384, 733145), (420, 670304), (448, 628410), (480, 586516), (560, 502728), (640, 439887), (672, 418940), (840, 335152), (896, 314205), (960, 293258), (1120, 251364), (1344, 209470), (1680, 167576), (1920, 146629), (2240, 125682), (2688, 104735), (3360, 83788), (4480, 62841), (6720, 41894), (13440, 20947)]