1561358128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{2131}}^1$

素因数の和:2354

約数の個数: 80

約数和(自身を含む): 3464278272

約数和(自身を除く): 1902920144

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 181, 184, 253, 362, 368, 506, 724, 1012, 1448, 1991, 2024, 2131, 2896, 3982, 4048, 4163, 4262, 7964, 8326, 8524, 15928, 16652, 17048, 23441, 31856, 33304, 34096, 45793, 46882, 49013, 66608, 91586, 93764, 98026, 183172, 187528, 196052, 366344, 375056, 385711, 392104, 539143, 732688, 771422, 784208, 1078286, 1542844, 2156572, 3085688, 4242821, 4313144, 6171376, 8485642, 8626288, 8871353, 16971284, 17742706, 33942568, 35485412, 67885136, 70970824, 97584883, 141941648, 195169766, 390339532, 780679064, 1561358128]

約数ペア:

[(1, 1561358128), (2, 780679064), (4, 390339532), (8, 195169766), (11, 141941648), (16, 97584883), (22, 70970824), (23, 67885136), (44, 35485412), (46, 33942568), (88, 17742706), (92, 16971284), (176, 8871353), (181, 8626288), (184, 8485642), (253, 6171376), (362, 4313144), (368, 4242821), (506, 3085688), (724, 2156572), (1012, 1542844), (1448, 1078286), (1991, 784208), (2024, 771422), (2131, 732688), (2896, 539143), (3982, 392104), (4048, 385711), (4163, 375056), (4262, 366344), (7964, 196052), (8326, 187528), (8524, 183172), (15928, 98026), (16652, 93764), (17048, 91586), (23441, 66608), (31856, 49013), (33304, 46882), (34096, 45793)]