81760952

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 208051200

約数和(自身を除く): 126290248

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 23, 26, 28, 38, 46, 52, 56, 76, 91, 92, 104, 133, 152, 161, 182, 184, 247, 257, 266, 299, 322, 364, 437, 494, 514, 532, 598, 644, 728, 874, 988, 1028, 1064, 1196, 1288, 1729, 1748, 1799, 1976, 2056, 2093, 2392, 3059, 3341, 3458, 3496, 3598, 4186, 4883, 5681, 5911, 6118, 6682, 6916, 7196, 8372, 9766, 11362, 11822, 12236, 13364, 13832, 14392, 16744, 19532, 22724, 23387, 23644, 24472, 26728, 34181, 39064, 39767, 41377, 45448, 46774, 47288, 63479, 68362, 76843, 79534, 82754, 93548, 112309, 126958, 136724, 153686, 159068, 165508, 187096, 224618, 253916, 273448, 307372, 318136, 331016, 444353, 449236, 507832, 537901, 614744, 786163, 888706, 898472, 1075802, 1460017, 1572326, 1777412, 2151604, 2920034, 3144652, 3554824, 4303208, 5840068, 6289304, 10220119, 11680136, 20440238, 40880476, 81760952]

約数ペア:

[(1, 81760952), (2, 40880476), (4, 20440238), (7, 11680136), (8, 10220119), (13, 6289304), (14, 5840068), (19, 4303208), (23, 3554824), (26, 3144652), (28, 2920034), (38, 2151604), (46, 1777412), (52, 1572326), (56, 1460017), (76, 1075802), (91, 898472), (92, 888706), (104, 786163), (133, 614744), (152, 537901), (161, 507832), (182, 449236), (184, 444353), (247, 331016), (257, 318136), (266, 307372), (299, 273448), (322, 253916), (364, 224618), (437, 187096), (494, 165508), (514, 159068), (532, 153686), (598, 136724), (644, 126958), (728, 112309), (874, 93548), (988, 82754), (1028, 79534), (1064, 76843), (1196, 68362), (1288, 63479), (1729, 47288), (1748, 46774), (1799, 45448), (1976, 41377), (2056, 39767), (2093, 39064), (2392, 34181), (3059, 26728), (3341, 24472), (3458, 23644), (3496, 23387), (3598, 22724), (4186, 19532), (4883, 16744), (5681, 14392), (5911, 13832), (6118, 13364), (6682, 12236), (6916, 11822), (7196, 11362), (8372, 9766)]