21287319840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{2011}}^1\times {\mathrm{7351}}^1$

素因数の和:9383

約数の個数: 144

約数和(自身を含む): 72688988736

約数和(自身を除く): 51401668896

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 2011, 4022, 6033, 7351, 8044, 10055, 12066, 14702, 16088, 18099, 20110, 22053, 24132, 29404, 30165, 32176, 36198, 36755, 40220, 44106, 48264, 58808, 60330, 64352, 66159, 72396, 73510, 80440, 88212, 90495, 96528, 110265, 117616, 120660, 132318, 144792, 147020, 160880, 176424, 180990, 193056, 220530, 235232, 241320, 264636, 289584, 294040, 321760, 330795, 352848, 361980, 441060, 482640, 529272, 579168, 588080, 661590, 705696, 723960, 882120, 965280, 1058544, 1176160, 1323180, 1447920, 1764240, 2117088, 2646360, 2895840, 3528480, 5292720, 10585440, 14782861, 29565722, 44348583, 59131444, 73914305, 88697166, 118262888, 133045749, 147828610, 177394332, 221742915, 236525776, 266091498, 295657220, 354788664, 443485830, 473051552, 532182996, 591314440, 665228745, 709577328, 886971660, 1064365992, 1182628880, 1330457490, 1419154656, 1773943320, 2128731984, 2365257760, 2660914980, 3547886640, 4257463968, 5321829960, 7095773280, 10643659920, 21287319840]

約数ペア:

[(1, 21287319840), (2, 10643659920), (3, 7095773280), (4, 5321829960), (5, 4257463968), (6, 3547886640), (8, 2660914980), (9, 2365257760), (10, 2128731984), (12, 1773943320), (15, 1419154656), (16, 1330457490), (18, 1182628880), (20, 1064365992), (24, 886971660), (30, 709577328), (32, 665228745), (36, 591314440), (40, 532182996), (45, 473051552), (48, 443485830), (60, 354788664), (72, 295657220), (80, 266091498), (90, 236525776), (96, 221742915), (120, 177394332), (144, 147828610), (160, 133045749), (180, 118262888), (240, 88697166), (288, 73914305), (360, 59131444), (480, 44348583), (720, 29565722), (1440, 14782861), (2011, 10585440), (4022, 5292720), (6033, 3528480), (7351, 2895840), (8044, 2646360), (10055, 2117088), (12066, 1764240), (14702, 1447920), (16088, 1323180), (18099, 1176160), (20110, 1058544), (22053, 965280), (24132, 882120), (29404, 723960), (30165, 705696), (32176, 661590), (36198, 588080), (36755, 579168), (40220, 529272), (44106, 482640), (48264, 441060), (58808, 361980), (60330, 352848), (64352, 330795), (66159, 321760), (72396, 294040), (73510, 289584), (80440, 264636), (88212, 241320), (90495, 235232), (96528, 220530), (110265, 193056), (117616, 180990), (120660, 176424), (132318, 160880), (144792, 147020)]