128909872

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 160

約数和(自身を含む): 329978880

約数和(自身を除く): 201069008

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 43, 52, 56, 58, 71, 86, 91, 104, 112, 116, 142, 172, 182, 203, 208, 232, 284, 301, 344, 364, 377, 406, 464, 497, 559, 568, 602, 688, 728, 754, 812, 923, 994, 1118, 1136, 1204, 1247, 1456, 1508, 1624, 1846, 1988, 2059, 2236, 2408, 2494, 2639, 3016, 3053, 3248, 3692, 3913, 3976, 4118, 4472, 4816, 4988, 5278, 6032, 6106, 6461, 7384, 7826, 7952, 8236, 8729, 8944, 9976, 10556, 12212, 12922, 14413, 14768, 15652, 16211, 16472, 17458, 19952, 21112, 21371, 24424, 25844, 26767, 28826, 31304, 32422, 32944, 34916, 39689, 42224, 42742, 48848, 51688, 53534, 57652, 62608, 64844, 69832, 79378, 85484, 88537, 103376, 107068, 113477, 115304, 129688, 139664, 158756, 170968, 177074, 187369, 214136, 226954, 230608, 259376, 277823, 317512, 341936, 354148, 374738, 428272, 453908, 555646, 619759, 635024, 708296, 749476, 907816, 1111292, 1150981, 1239518, 1416592, 1498952, 1815632, 2222584, 2301962, 2479036, 2997904, 4445168, 4603924, 4958072, 8056867, 9207848, 9916144, 16113734, 18415696, 32227468, 64454936, 128909872]

約数ペア:

[(1, 128909872), (2, 64454936), (4, 32227468), (7, 18415696), (8, 16113734), (13, 9916144), (14, 9207848), (16, 8056867), (26, 4958072), (28, 4603924), (29, 4445168), (43, 2997904), (52, 2479036), (56, 2301962), (58, 2222584), (71, 1815632), (86, 1498952), (91, 1416592), (104, 1239518), (112, 1150981), (116, 1111292), (142, 907816), (172, 749476), (182, 708296), (203, 635024), (208, 619759), (232, 555646), (284, 453908), (301, 428272), (344, 374738), (364, 354148), (377, 341936), (406, 317512), (464, 277823), (497, 259376), (559, 230608), (568, 226954), (602, 214136), (688, 187369), (728, 177074), (754, 170968), (812, 158756), (923, 139664), (994, 129688), (1118, 115304), (1136, 113477), (1204, 107068), (1247, 103376), (1456, 88537), (1508, 85484), (1624, 79378), (1846, 69832), (1988, 64844), (2059, 62608), (2236, 57652), (2408, 53534), (2494, 51688), (2639, 48848), (3016, 42742), (3053, 42224), (3248, 39689), (3692, 34916), (3913, 32944), (3976, 32422), (4118, 31304), (4472, 28826), (4816, 26767), (4988, 25844), (5278, 24424), (6032, 21371), (6106, 21112), (6461, 19952), (7384, 17458), (7826, 16472), (7952, 16211), (8236, 15652), (8729, 14768), (8944, 14413), (9976, 12922), (10556, 12212)]