81075584

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 128

約数和(自身を含む): 188373600

約数和(自身を除く): 107298016

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 37, 38, 53, 64, 68, 74, 76, 106, 128, 136, 148, 152, 212, 272, 296, 304, 323, 424, 544, 592, 608, 629, 646, 703, 848, 901, 1007, 1088, 1184, 1216, 1258, 1292, 1406, 1696, 1802, 1961, 2014, 2176, 2368, 2432, 2516, 2584, 2812, 3392, 3604, 3922, 4028, 4736, 5032, 5168, 5624, 6784, 7208, 7844, 8056, 10064, 10336, 11248, 11951, 14416, 15688, 16112, 17119, 20128, 20672, 22496, 23902, 28832, 31376, 32224, 33337, 34238, 37259, 40256, 41344, 44992, 47804, 57664, 62752, 64448, 66674, 68476, 74518, 80512, 89984, 95608, 115328, 125504, 128896, 133348, 136952, 149036, 191216, 251008, 266696, 273904, 298072, 382432, 533392, 547808, 596144, 633403, 764864, 1066784, 1095616, 1192288, 1266806, 1529728, 2133568, 2191232, 2384576, 2533612, 4267136, 4769152, 5067224, 10134448, 20268896, 40537792, 81075584]

約数ペア:

[(1, 81075584), (2, 40537792), (4, 20268896), (8, 10134448), (16, 5067224), (17, 4769152), (19, 4267136), (32, 2533612), (34, 2384576), (37, 2191232), (38, 2133568), (53, 1529728), (64, 1266806), (68, 1192288), (74, 1095616), (76, 1066784), (106, 764864), (128, 633403), (136, 596144), (148, 547808), (152, 533392), (212, 382432), (272, 298072), (296, 273904), (304, 266696), (323, 251008), (424, 191216), (544, 149036), (592, 136952), (608, 133348), (629, 128896), (646, 125504), (703, 115328), (848, 95608), (901, 89984), (1007, 80512), (1088, 74518), (1184, 68476), (1216, 66674), (1258, 64448), (1292, 62752), (1406, 57664), (1696, 47804), (1802, 44992), (1961, 41344), (2014, 40256), (2176, 37259), (2368, 34238), (2432, 33337), (2516, 32224), (2584, 31376), (2812, 28832), (3392, 23902), (3604, 22496), (3922, 20672), (4028, 20128), (4736, 17119), (5032, 16112), (5168, 15688), (5624, 14416), (6784, 11951), (7208, 11248), (7844, 10336), (8056, 10064)]