81075204

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:143

約数の個数: 216

約数和(自身を含む): 261424800

約数和(自身を除く): 180349596

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 41, 42, 49, 57, 59, 63, 76, 82, 84, 98, 114, 118, 123, 126, 133, 147, 164, 171, 177, 196, 228, 236, 246, 252, 266, 287, 294, 342, 354, 369, 399, 413, 441, 492, 531, 532, 574, 588, 684, 708, 738, 779, 798, 826, 861, 882, 931, 1062, 1121, 1148, 1197, 1239, 1476, 1558, 1596, 1652, 1722, 1764, 1862, 2009, 2124, 2242, 2337, 2394, 2419, 2478, 2583, 2793, 2891, 3116, 3363, 3444, 3717, 3724, 4018, 4484, 4674, 4788, 4838, 4956, 5166, 5453, 5586, 5782, 6027, 6726, 7011, 7257, 7434, 7847, 8036, 8379, 8673, 9348, 9676, 10089, 10332, 10906, 11172, 11564, 12054, 13452, 14022, 14514, 14868, 15694, 16359, 16758, 16933, 17346, 18081, 20178, 21771, 21812, 23541, 24108, 26019, 28044, 29028, 31388, 32718, 33516, 33866, 34692, 36162, 38171, 40356, 43542, 45961, 47082, 49077, 50799, 52038, 54929, 65436, 67732, 70623, 72324, 76342, 87084, 91922, 94164, 98154, 101598, 104076, 109858, 114513, 118531, 137883, 141246, 152397, 152684, 164787, 183844, 196308, 203196, 219716, 229026, 237062, 275766, 282492, 304794, 321727, 329574, 343539, 355593, 413649, 458052, 474124, 494361, 551532, 609588, 643454, 659148, 687078, 711186, 827298, 965181, 988722, 1066779, 1286908, 1374156, 1422372, 1654596, 1930362, 1977444, 2133558, 2252089, 2895543, 3860724, 4267116, 4504178, 5791086, 6756267, 9008356, 11582172, 13512534, 20268801, 27025068, 40537602, 81075204]

約数ペア:

[(1, 81075204), (2, 40537602), (3, 27025068), (4, 20268801), (6, 13512534), (7, 11582172), (9, 9008356), (12, 6756267), (14, 5791086), (18, 4504178), (19, 4267116), (21, 3860724), (28, 2895543), (36, 2252089), (38, 2133558), (41, 1977444), (42, 1930362), (49, 1654596), (57, 1422372), (59, 1374156), (63, 1286908), (76, 1066779), (82, 988722), (84, 965181), (98, 827298), (114, 711186), (118, 687078), (123, 659148), (126, 643454), (133, 609588), (147, 551532), (164, 494361), (171, 474124), (177, 458052), (196, 413649), (228, 355593), (236, 343539), (246, 329574), (252, 321727), (266, 304794), (287, 282492), (294, 275766), (342, 237062), (354, 229026), (369, 219716), (399, 203196), (413, 196308), (441, 183844), (492, 164787), (531, 152684), (532, 152397), (574, 141246), (588, 137883), (684, 118531), (708, 114513), (738, 109858), (779, 104076), (798, 101598), (826, 98154), (861, 94164), (882, 91922), (931, 87084), (1062, 76342), (1121, 72324), (1148, 70623), (1197, 67732), (1239, 65436), (1476, 54929), (1558, 52038), (1596, 50799), (1652, 49077), (1722, 47082), (1764, 45961), (1862, 43542), (2009, 40356), (2124, 38171), (2242, 36162), (2337, 34692), (2394, 33866), (2419, 33516), (2478, 32718), (2583, 31388), (2793, 29028), (2891, 28044), (3116, 26019), (3363, 24108), (3444, 23541), (3717, 21812), (3724, 21771), (4018, 20178), (4484, 18081), (4674, 17346), (4788, 16933), (4838, 16758), (4956, 16359), (5166, 15694), (5453, 14868), (5586, 14514), (5782, 14022), (6027, 13452), (6726, 12054), (7011, 11564), (7257, 11172), (7434, 10906), (7847, 10332), (8036, 10089), (8379, 9676), (8673, 9348)]