81840528

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 240

約数和(自身を含む): 292636032

約数和(自身を除く): 210795504

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 33, 36, 42, 44, 48, 56, 61, 63, 66, 72, 77, 84, 88, 99, 112, 121, 122, 126, 132, 144, 154, 168, 176, 183, 198, 231, 242, 244, 252, 264, 308, 336, 363, 366, 396, 427, 462, 484, 488, 504, 528, 549, 616, 671, 693, 726, 732, 792, 847, 854, 924, 968, 976, 1008, 1089, 1098, 1232, 1281, 1331, 1342, 1386, 1452, 1464, 1584, 1694, 1708, 1848, 1936, 2013, 2178, 2196, 2541, 2562, 2662, 2684, 2772, 2904, 2928, 3388, 3416, 3696, 3843, 3993, 4026, 4356, 4392, 4697, 5082, 5124, 5324, 5368, 5544, 5808, 6039, 6776, 6832, 7381, 7623, 7686, 7986, 8052, 8712, 8784, 9317, 9394, 10164, 10248, 10648, 10736, 11088, 11979, 12078, 13552, 14091, 14762, 15246, 15372, 15972, 16104, 17424, 18634, 18788, 20328, 20496, 21296, 22143, 23958, 24156, 27951, 28182, 29524, 30492, 30744, 31944, 32208, 37268, 37576, 40656, 42273, 44286, 47916, 48312, 51667, 55902, 56364, 59048, 60984, 61488, 63888, 66429, 74536, 75152, 81191, 83853, 84546, 88572, 95832, 96624, 103334, 111804, 112728, 118096, 121968, 132858, 149072, 155001, 162382, 167706, 169092, 177144, 191664, 206668, 223608, 225456, 243573, 265716, 310002, 324764, 335412, 338184, 354288, 413336, 447216, 465003, 487146, 531432, 568337, 620004, 649528, 670824, 676368, 730719, 826672, 930006, 974292, 1062864, 1136674, 1240008, 1299056, 1341648, 1461438, 1705011, 1860012, 1948584, 2273348, 2480016, 2922876, 3410022, 3720024, 3897168, 4546696, 5115033, 5845752, 6820044, 7440048, 9093392, 10230066, 11691504, 13640088, 20460132, 27280176, 40920264, 81840528]

約数ペア:

[(1, 81840528), (2, 40920264), (3, 27280176), (4, 20460132), (6, 13640088), (7, 11691504), (8, 10230066), (9, 9093392), (11, 7440048), (12, 6820044), (14, 5845752), (16, 5115033), (18, 4546696), (21, 3897168), (22, 3720024), (24, 3410022), (28, 2922876), (33, 2480016), (36, 2273348), (42, 1948584), (44, 1860012), (48, 1705011), (56, 1461438), (61, 1341648), (63, 1299056), (66, 1240008), (72, 1136674), (77, 1062864), (84, 974292), (88, 930006), (99, 826672), (112, 730719), (121, 676368), (122, 670824), (126, 649528), (132, 620004), (144, 568337), (154, 531432), (168, 487146), (176, 465003), (183, 447216), (198, 413336), (231, 354288), (242, 338184), (244, 335412), (252, 324764), (264, 310002), (308, 265716), (336, 243573), (363, 225456), (366, 223608), (396, 206668), (427, 191664), (462, 177144), (484, 169092), (488, 167706), (504, 162382), (528, 155001), (549, 149072), (616, 132858), (671, 121968), (693, 118096), (726, 112728), (732, 111804), (792, 103334), (847, 96624), (854, 95832), (924, 88572), (968, 84546), (976, 83853), (1008, 81191), (1089, 75152), (1098, 74536), (1232, 66429), (1281, 63888), (1331, 61488), (1342, 60984), (1386, 59048), (1452, 56364), (1464, 55902), (1584, 51667), (1694, 48312), (1708, 47916), (1848, 44286), (1936, 42273), (2013, 40656), (2178, 37576), (2196, 37268), (2541, 32208), (2562, 31944), (2662, 30744), (2684, 30492), (2772, 29524), (2904, 28182), (2928, 27951), (3388, 24156), (3416, 23958), (3696, 22143), (3843, 21296), (3993, 20496), (4026, 20328), (4356, 18788), (4392, 18634), (4697, 17424), (5082, 16104), (5124, 15972), (5324, 15372), (5368, 15246), (5544, 14762), (5808, 14091), (6039, 13552), (6776, 12078), (6832, 11979), (7381, 11088), (7623, 10736), (7686, 10648), (7986, 10248), (8052, 10164), (8712, 9394), (8784, 9317)]