81268656

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:451

約数の個数: 120

約数和(自身を含む): 247238640

約数和(自身を除く): 165969984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 109, 112, 147, 168, 196, 218, 294, 317, 327, 336, 392, 436, 588, 634, 654, 763, 784, 872, 951, 1176, 1268, 1308, 1526, 1744, 1902, 2219, 2289, 2352, 2536, 2616, 3052, 3804, 4438, 4578, 5072, 5232, 5341, 6104, 6657, 7608, 8876, 9156, 10682, 12208, 13314, 15216, 15533, 16023, 17752, 18312, 21364, 26628, 31066, 32046, 34553, 35504, 36624, 42728, 46599, 53256, 62132, 64092, 69106, 85456, 93198, 103659, 106512, 124264, 128184, 138212, 186396, 207318, 241871, 248528, 256368, 276424, 372792, 414636, 483742, 552848, 725613, 745584, 829272, 967484, 1451226, 1658544, 1693097, 1934968, 2902452, 3386194, 3869936, 5079291, 5804904, 6772388, 10158582, 11609808, 13544776, 20317164, 27089552, 40634328, 81268656]

約数ペア:

[(1, 81268656), (2, 40634328), (3, 27089552), (4, 20317164), (6, 13544776), (7, 11609808), (8, 10158582), (12, 6772388), (14, 5804904), (16, 5079291), (21, 3869936), (24, 3386194), (28, 2902452), (42, 1934968), (48, 1693097), (49, 1658544), (56, 1451226), (84, 967484), (98, 829272), (109, 745584), (112, 725613), (147, 552848), (168, 483742), (196, 414636), (218, 372792), (294, 276424), (317, 256368), (327, 248528), (336, 241871), (392, 207318), (436, 186396), (588, 138212), (634, 128184), (654, 124264), (763, 106512), (784, 103659), (872, 93198), (951, 85456), (1176, 69106), (1268, 64092), (1308, 62132), (1526, 53256), (1744, 46599), (1902, 42728), (2219, 36624), (2289, 35504), (2352, 34553), (2536, 32046), (2616, 31066), (3052, 26628), (3804, 21364), (4438, 18312), (4578, 17752), (5072, 16023), (5232, 15533), (5341, 15216), (6104, 13314), (6657, 12208), (7608, 10682), (8876, 9156)]