268679040

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{19991}}^1$

素因数の和:20020

約数の個数: 128

約数和(自身を含む): 978808320

約数和(自身を除く): 710129280

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, 19991, 39982, 59973, 79964, 99955, 119946, 139937, 159928, 199910, 239892, 279874, 299865, 319856, 399820, 419811, 479784, 559748, 599730, 639712, 699685, 799640, 839622, 959568, 1119496, 1199460, 1279424, 1399370, 1599280, 1679244, 1919136, 2099055, 2238992, 2398920, 2558848, 2798740, 3198560, 3358488, 3838272, 4198110, 4477984, 4797840, 5597480, 6397120, 6716976, 7676544, 8396220, 8955968, 9595680, 11194960, 12794240, 13433952, 16792440, 17911936, 19191360, 22389920, 26867904, 33584880, 38382720, 44779840, 53735808, 67169760, 89559680, 134339520, 268679040]

約数ペア:

[(1, 268679040), (2, 134339520), (3, 89559680), (4, 67169760), (5, 53735808), (6, 44779840), (7, 38382720), (8, 33584880), (10, 26867904), (12, 22389920), (14, 19191360), (15, 17911936), (16, 16792440), (20, 13433952), (21, 12794240), (24, 11194960), (28, 9595680), (30, 8955968), (32, 8396220), (35, 7676544), (40, 6716976), (42, 6397120), (48, 5597480), (56, 4797840), (60, 4477984), (64, 4198110), (70, 3838272), (80, 3358488), (84, 3198560), (96, 2798740), (105, 2558848), (112, 2398920), (120, 2238992), (128, 2099055), (140, 1919136), (160, 1679244), (168, 1599280), (192, 1399370), (210, 1279424), (224, 1199460), (240, 1119496), (280, 959568), (320, 839622), (336, 799640), (384, 699685), (420, 639712), (448, 599730), (480, 559748), (560, 479784), (640, 419811), (672, 399820), (840, 319856), (896, 299865), (960, 279874), (1120, 239892), (1344, 199910), (1680, 159928), (1920, 139937), (2240, 119946), (2688, 99955), (3360, 79964), (4480, 59973), (6720, 39982), (13440, 19991)]