72721264

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{881}}^1$

素因数の和:974

約数の個数: 80

約数和(自身を含む): 178488576

約数和(自身を除く): 105767312

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 67, 77, 88, 112, 134, 154, 176, 268, 308, 469, 536, 616, 737, 881, 938, 1072, 1232, 1474, 1762, 1876, 2948, 3524, 3752, 5159, 5896, 6167, 7048, 7504, 9691, 10318, 11792, 12334, 14096, 19382, 20636, 24668, 38764, 41272, 49336, 59027, 67837, 77528, 82544, 98672, 118054, 135674, 155056, 236108, 271348, 413189, 472216, 542696, 649297, 826378, 944432, 1085392, 1298594, 1652756, 2597188, 3305512, 4545079, 5194376, 6611024, 9090158, 10388752, 18180316, 36360632, 72721264]

約数ペア:

[(1, 72721264), (2, 36360632), (4, 18180316), (7, 10388752), (8, 9090158), (11, 6611024), (14, 5194376), (16, 4545079), (22, 3305512), (28, 2597188), (44, 1652756), (56, 1298594), (67, 1085392), (77, 944432), (88, 826378), (112, 649297), (134, 542696), (154, 472216), (176, 413189), (268, 271348), (308, 236108), (469, 155056), (536, 135674), (616, 118054), (737, 98672), (881, 82544), (938, 77528), (1072, 67837), (1232, 59027), (1474, 49336), (1762, 41272), (1876, 38764), (2948, 24668), (3524, 20636), (3752, 19382), (5159, 14096), (5896, 12334), (6167, 11792), (7048, 10318), (7504, 9691)]