640096992

素因数分解:

$2^5\times 3^6\times {\mathrm{23}}^1\times {\mathrm{1193}}^1$

素因数の和:1244

約数の個数: 168

約数和(自身を含む): 1973223504

約数和(自身を除く): 1333126512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 69, 72, 81, 92, 96, 108, 138, 144, 162, 184, 207, 216, 243, 276, 288, 324, 368, 414, 432, 486, 552, 621, 648, 729, 736, 828, 864, 972, 1104, 1193, 1242, 1296, 1458, 1656, 1863, 1944, 2208, 2386, 2484, 2592, 2916, 3312, 3579, 3726, 3888, 4772, 4968, 5589, 5832, 6624, 7158, 7452, 7776, 9544, 9936, 10737, 11178, 11664, 14316, 14904, 16767, 19088, 19872, 21474, 22356, 23328, 27439, 28632, 29808, 32211, 33534, 38176, 42948, 44712, 54878, 57264, 59616, 64422, 67068, 82317, 85896, 89424, 96633, 109756, 114528, 128844, 134136, 164634, 171792, 178848, 193266, 219512, 246951, 257688, 268272, 289899, 329268, 343584, 386532, 439024, 493902, 515376, 536544, 579798, 658536, 740853, 773064, 869697, 878048, 987804, 1030752, 1159596, 1317072, 1481706, 1546128, 1739394, 1975608, 2222559, 2319192, 2634144, 2963412, 3092256, 3478788, 3951216, 4445118, 4638384, 5926824, 6667677, 6957576, 7902432, 8890236, 9276768, 11853648, 13335354, 13915152, 17780472, 20003031, 23707296, 26670708, 27830304, 35560944, 40006062, 53341416, 71121888, 80012124, 106682832, 160024248, 213365664, 320048496, 640096992]

約数ペア:

[(1, 640096992), (2, 320048496), (3, 213365664), (4, 160024248), (6, 106682832), (8, 80012124), (9, 71121888), (12, 53341416), (16, 40006062), (18, 35560944), (23, 27830304), (24, 26670708), (27, 23707296), (32, 20003031), (36, 17780472), (46, 13915152), (48, 13335354), (54, 11853648), (69, 9276768), (72, 8890236), (81, 7902432), (92, 6957576), (96, 6667677), (108, 5926824), (138, 4638384), (144, 4445118), (162, 3951216), (184, 3478788), (207, 3092256), (216, 2963412), (243, 2634144), (276, 2319192), (288, 2222559), (324, 1975608), (368, 1739394), (414, 1546128), (432, 1481706), (486, 1317072), (552, 1159596), (621, 1030752), (648, 987804), (729, 878048), (736, 869697), (828, 773064), (864, 740853), (972, 658536), (1104, 579798), (1193, 536544), (1242, 515376), (1296, 493902), (1458, 439024), (1656, 386532), (1863, 343584), (1944, 329268), (2208, 289899), (2386, 268272), (2484, 257688), (2592, 246951), (2916, 219512), (3312, 193266), (3579, 178848), (3726, 171792), (3888, 164634), (4772, 134136), (4968, 128844), (5589, 114528), (5832, 109756), (6624, 96633), (7158, 89424), (7452, 85896), (7776, 82317), (9544, 67068), (9936, 64422), (10737, 59616), (11178, 57264), (11664, 54878), (14316, 44712), (14904, 42948), (16767, 38176), (19088, 33534), (19872, 32211), (21474, 29808), (22356, 28632), (23328, 27439)]