81291144

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:403

約数の個数: 128

約数和(自身を含む): 239500800

約数和(自身を除く): 158209656

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 59, 66, 68, 88, 102, 118, 132, 136, 177, 187, 204, 236, 264, 307, 354, 374, 408, 472, 561, 614, 649, 708, 748, 921, 1003, 1122, 1228, 1298, 1416, 1496, 1842, 1947, 2006, 2244, 2456, 2596, 3009, 3377, 3684, 3894, 4012, 4488, 5192, 5219, 6018, 6754, 7368, 7788, 8024, 10131, 10438, 11033, 12036, 13508, 15576, 15657, 18113, 20262, 20876, 22066, 24072, 27016, 31314, 33099, 36226, 40524, 41752, 44132, 54339, 57409, 62628, 66198, 72452, 81048, 88264, 108678, 114818, 125256, 132396, 144904, 172227, 199243, 217356, 229636, 264792, 307921, 344454, 398486, 434712, 459272, 597729, 615842, 688908, 796972, 923763, 1195458, 1231684, 1377816, 1593944, 1847526, 2390916, 2463368, 3387131, 3695052, 4781832, 6774262, 7390104, 10161393, 13548524, 20322786, 27097048, 40645572, 81291144]

約数ペア:

[(1, 81291144), (2, 40645572), (3, 27097048), (4, 20322786), (6, 13548524), (8, 10161393), (11, 7390104), (12, 6774262), (17, 4781832), (22, 3695052), (24, 3387131), (33, 2463368), (34, 2390916), (44, 1847526), (51, 1593944), (59, 1377816), (66, 1231684), (68, 1195458), (88, 923763), (102, 796972), (118, 688908), (132, 615842), (136, 597729), (177, 459272), (187, 434712), (204, 398486), (236, 344454), (264, 307921), (307, 264792), (354, 229636), (374, 217356), (408, 199243), (472, 172227), (561, 144904), (614, 132396), (649, 125256), (708, 114818), (748, 108678), (921, 88264), (1003, 81048), (1122, 72452), (1228, 66198), (1298, 62628), (1416, 57409), (1496, 54339), (1842, 44132), (1947, 41752), (2006, 40524), (2244, 36226), (2456, 33099), (2596, 31314), (3009, 27016), (3377, 24072), (3684, 22066), (3894, 20876), (4012, 20262), (4488, 18113), (5192, 15657), (5219, 15576), (6018, 13508), (6754, 12036), (7368, 11033), (7788, 10438), (8024, 10131)]