64281216

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:306

約数の個数: 128

約数和(自身を含む): 185803200

約数和(自身を除く): 121521984

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 43, 48, 51, 64, 68, 86, 96, 102, 128, 129, 136, 172, 192, 204, 229, 258, 272, 344, 384, 408, 458, 516, 544, 687, 688, 731, 816, 916, 1032, 1088, 1374, 1376, 1462, 1632, 1832, 2064, 2176, 2193, 2748, 2752, 2924, 3264, 3664, 3893, 4128, 4386, 5496, 5504, 5848, 6528, 7328, 7786, 8256, 8772, 9847, 10992, 11679, 11696, 14656, 15572, 16512, 17544, 19694, 21984, 23358, 23392, 29312, 29541, 31144, 35088, 39388, 43968, 46716, 46784, 59082, 62288, 70176, 78776, 87936, 93432, 93568, 118164, 124576, 140352, 157552, 167399, 186864, 236328, 249152, 280704, 315104, 334798, 373728, 472656, 498304, 502197, 630208, 669596, 747456, 945312, 1004394, 1260416, 1339192, 1494912, 1890624, 2008788, 2678384, 3781248, 4017576, 5356768, 8035152, 10713536, 16070304, 21427072, 32140608, 64281216]

約数ペア:

[(1, 64281216), (2, 32140608), (3, 21427072), (4, 16070304), (6, 10713536), (8, 8035152), (12, 5356768), (16, 4017576), (17, 3781248), (24, 2678384), (32, 2008788), (34, 1890624), (43, 1494912), (48, 1339192), (51, 1260416), (64, 1004394), (68, 945312), (86, 747456), (96, 669596), (102, 630208), (128, 502197), (129, 498304), (136, 472656), (172, 373728), (192, 334798), (204, 315104), (229, 280704), (258, 249152), (272, 236328), (344, 186864), (384, 167399), (408, 157552), (458, 140352), (516, 124576), (544, 118164), (687, 93568), (688, 93432), (731, 87936), (816, 78776), (916, 70176), (1032, 62288), (1088, 59082), (1374, 46784), (1376, 46716), (1462, 43968), (1632, 39388), (1832, 35088), (2064, 31144), (2176, 29541), (2193, 29312), (2748, 23392), (2752, 23358), (2924, 21984), (3264, 19694), (3664, 17544), (3893, 16512), (4128, 15572), (4386, 14656), (5496, 11696), (5504, 11679), (5848, 10992), (6528, 9847), (7328, 8772), (7786, 8256)]