30721952

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 62868960

約数和(自身を除く): 32147008

約数列:

[1, 2, 4, 8, 16, 32, 43, 83, 86, 166, 172, 269, 332, 344, 538, 664, 688, 1076, 1328, 1376, 2152, 2656, 3569, 4304, 7138, 8608, 11567, 14276, 22327, 23134, 28552, 44654, 46268, 57104, 89308, 92536, 114208, 178616, 185072, 357232, 370144, 714464, 960061, 1920122, 3840244, 7680488, 15360976, 30721952]

約数ペア:

[(1, 30721952), (2, 15360976), (4, 7680488), (8, 3840244), (16, 1920122), (32, 960061), (43, 714464), (83, 370144), (86, 357232), (166, 185072), (172, 178616), (269, 114208), (332, 92536), (344, 89308), (538, 57104), (664, 46268), (688, 44654), (1076, 28552), (1328, 23134), (1376, 22327), (2152, 14276), (2656, 11567), (3569, 8608), (4304, 7138)]