81346720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:223

約数の個数: 192

約数和(自身を含む): 244532736

約数和(自身を除く): 163186016

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 37, 40, 52, 56, 65, 70, 74, 80, 91, 104, 112, 130, 140, 148, 151, 160, 182, 185, 208, 224, 259, 260, 280, 296, 302, 364, 370, 416, 455, 481, 518, 520, 560, 592, 604, 728, 740, 755, 910, 962, 1036, 1040, 1057, 1120, 1184, 1208, 1295, 1456, 1480, 1510, 1820, 1924, 1963, 2072, 2080, 2114, 2405, 2416, 2590, 2912, 2960, 3020, 3367, 3640, 3848, 3926, 4144, 4228, 4810, 4832, 5180, 5285, 5587, 5920, 6040, 6734, 7280, 7696, 7852, 8288, 8456, 9620, 9815, 10360, 10570, 11174, 12080, 13468, 13741, 14560, 15392, 15704, 16835, 16912, 19240, 19630, 20720, 21140, 22348, 24160, 26936, 27482, 27935, 31408, 33670, 33824, 38480, 39109, 39260, 41440, 42280, 44696, 53872, 54964, 55870, 62816, 67340, 68705, 72631, 76960, 78218, 78520, 84560, 89392, 107744, 109928, 111740, 134680, 137410, 145262, 156436, 157040, 169120, 178784, 195545, 219856, 223480, 269360, 274820, 290524, 312872, 314080, 363155, 391090, 439712, 446960, 508417, 538720, 549640, 581048, 625744, 726310, 782180, 893920, 1016834, 1099280, 1162096, 1251488, 1452620, 1564360, 2033668, 2198560, 2324192, 2542085, 2905240, 3128720, 4067336, 5084170, 5810480, 6257440, 8134672, 10168340, 11620960, 16269344, 20336680, 40673360, 81346720]

約数ペア:

[(1, 81346720), (2, 40673360), (4, 20336680), (5, 16269344), (7, 11620960), (8, 10168340), (10, 8134672), (13, 6257440), (14, 5810480), (16, 5084170), (20, 4067336), (26, 3128720), (28, 2905240), (32, 2542085), (35, 2324192), (37, 2198560), (40, 2033668), (52, 1564360), (56, 1452620), (65, 1251488), (70, 1162096), (74, 1099280), (80, 1016834), (91, 893920), (104, 782180), (112, 726310), (130, 625744), (140, 581048), (148, 549640), (151, 538720), (160, 508417), (182, 446960), (185, 439712), (208, 391090), (224, 363155), (259, 314080), (260, 312872), (280, 290524), (296, 274820), (302, 269360), (364, 223480), (370, 219856), (416, 195545), (455, 178784), (481, 169120), (518, 157040), (520, 156436), (560, 145262), (592, 137410), (604, 134680), (728, 111740), (740, 109928), (755, 107744), (910, 89392), (962, 84560), (1036, 78520), (1040, 78218), (1057, 76960), (1120, 72631), (1184, 68705), (1208, 67340), (1295, 62816), (1456, 55870), (1480, 54964), (1510, 53872), (1820, 44696), (1924, 42280), (1963, 41440), (2072, 39260), (2080, 39109), (2114, 38480), (2405, 33824), (2416, 33670), (2590, 31408), (2912, 27935), (2960, 27482), (3020, 26936), (3367, 24160), (3640, 22348), (3848, 21140), (3926, 20720), (4144, 19630), (4228, 19240), (4810, 16912), (4832, 16835), (5180, 15704), (5285, 15392), (5587, 14560), (5920, 13741), (6040, 13468), (6734, 12080), (7280, 11174), (7696, 10570), (7852, 10360), (8288, 9815), (8456, 9620)]