640141056

素因数分解:

$2^8\times 3^4\times {\mathrm{30871}}^1$

素因数の和:30899

約数の個数: 90

約数和(自身を含む): 1908846632

約数和(自身を除く): 1268705576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 256, 288, 324, 384, 432, 576, 648, 768, 864, 1152, 1296, 1728, 2304, 2592, 3456, 5184, 6912, 10368, 20736, 30871, 61742, 92613, 123484, 185226, 246968, 277839, 370452, 493936, 555678, 740904, 833517, 987872, 1111356, 1481808, 1667034, 1975744, 2222712, 2500551, 2963616, 3334068, 3951488, 4445424, 5001102, 5927232, 6668136, 7902976, 8890848, 10002204, 11854464, 13336272, 17781696, 20004408, 23708928, 26672544, 35563392, 40008816, 53345088, 71126784, 80017632, 106690176, 160035264, 213380352, 320070528, 640141056]

約数ペア:

[(1, 640141056), (2, 320070528), (3, 213380352), (4, 160035264), (6, 106690176), (8, 80017632), (9, 71126784), (12, 53345088), (16, 40008816), (18, 35563392), (24, 26672544), (27, 23708928), (32, 20004408), (36, 17781696), (48, 13336272), (54, 11854464), (64, 10002204), (72, 8890848), (81, 7902976), (96, 6668136), (108, 5927232), (128, 5001102), (144, 4445424), (162, 3951488), (192, 3334068), (216, 2963616), (256, 2500551), (288, 2222712), (324, 1975744), (384, 1667034), (432, 1481808), (576, 1111356), (648, 987872), (768, 833517), (864, 740904), (1152, 555678), (1296, 493936), (1728, 370452), (2304, 277839), (2592, 246968), (3456, 185226), (5184, 123484), (6912, 92613), (10368, 61742), (20736, 30871)]