81397632

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:408

約数の個数: 128

約数和(自身を含む): 235815840

約数和(自身を除く): 154418208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 37, 48, 51, 64, 68, 74, 96, 102, 111, 128, 136, 148, 192, 204, 222, 272, 296, 337, 384, 408, 444, 544, 592, 629, 674, 816, 888, 1011, 1088, 1184, 1258, 1348, 1632, 1776, 1887, 2022, 2176, 2368, 2516, 2696, 3264, 3552, 3774, 4044, 4736, 5032, 5392, 5729, 6528, 7104, 7548, 8088, 10064, 10784, 11458, 12469, 14208, 15096, 16176, 17187, 20128, 21568, 22916, 24938, 30192, 32352, 34374, 37407, 40256, 43136, 45832, 49876, 60384, 64704, 68748, 74814, 80512, 91664, 99752, 120768, 129408, 137496, 149628, 183328, 199504, 211973, 241536, 274992, 299256, 366656, 399008, 423946, 549984, 598512, 635919, 733312, 798016, 847892, 1099968, 1197024, 1271838, 1596032, 1695784, 2199936, 2394048, 2543676, 3391568, 4788096, 5087352, 6783136, 10174704, 13566272, 20349408, 27132544, 40698816, 81397632]

約数ペア:

[(1, 81397632), (2, 40698816), (3, 27132544), (4, 20349408), (6, 13566272), (8, 10174704), (12, 6783136), (16, 5087352), (17, 4788096), (24, 3391568), (32, 2543676), (34, 2394048), (37, 2199936), (48, 1695784), (51, 1596032), (64, 1271838), (68, 1197024), (74, 1099968), (96, 847892), (102, 798016), (111, 733312), (128, 635919), (136, 598512), (148, 549984), (192, 423946), (204, 399008), (222, 366656), (272, 299256), (296, 274992), (337, 241536), (384, 211973), (408, 199504), (444, 183328), (544, 149628), (592, 137496), (629, 129408), (674, 120768), (816, 99752), (888, 91664), (1011, 80512), (1088, 74814), (1184, 68748), (1258, 64704), (1348, 60384), (1632, 49876), (1776, 45832), (1887, 43136), (2022, 40256), (2176, 37407), (2368, 34374), (2516, 32352), (2696, 30192), (3264, 24938), (3552, 22916), (3774, 21568), (4044, 20128), (4736, 17187), (5032, 16176), (5392, 15096), (5729, 14208), (6528, 12469), (7104, 11458), (7548, 10784), (8088, 10064)]