81686928

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2083}}^1$

素因数の和:2156

約数の個数: 80

約数和(自身を含む): 227406080

約数和(自身を除く): 145719152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 43, 48, 57, 76, 86, 114, 129, 152, 172, 228, 258, 304, 344, 456, 516, 688, 817, 912, 1032, 1634, 2064, 2083, 2451, 3268, 4166, 4902, 6249, 6536, 8332, 9804, 12498, 13072, 16664, 19608, 24996, 33328, 39216, 39577, 49992, 79154, 89569, 99984, 118731, 158308, 179138, 237462, 268707, 316616, 358276, 474924, 537414, 633232, 716552, 949848, 1074828, 1433104, 1701811, 1899696, 2149656, 3403622, 4299312, 5105433, 6807244, 10210866, 13614488, 20421732, 27228976, 40843464, 81686928]

約数ペア:

[(1, 81686928), (2, 40843464), (3, 27228976), (4, 20421732), (6, 13614488), (8, 10210866), (12, 6807244), (16, 5105433), (19, 4299312), (24, 3403622), (38, 2149656), (43, 1899696), (48, 1701811), (57, 1433104), (76, 1074828), (86, 949848), (114, 716552), (129, 633232), (152, 537414), (172, 474924), (228, 358276), (258, 316616), (304, 268707), (344, 237462), (456, 179138), (516, 158308), (688, 118731), (817, 99984), (912, 89569), (1032, 79154), (1634, 49992), (2064, 39577), (2083, 39216), (2451, 33328), (3268, 24996), (4166, 19608), (4902, 16664), (6249, 13072), (6536, 12498), (8332, 9804)]