21163395840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{42071}}^1$

素因数の和:42226

約数の個数: 144

約数和(自身を含む): 68108173056

約数和(自身を除く): 46944777216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 131, 160, 192, 240, 256, 262, 320, 384, 393, 480, 524, 640, 655, 768, 786, 960, 1048, 1280, 1310, 1572, 1920, 1965, 2096, 2620, 3144, 3840, 3930, 4192, 5240, 6288, 7860, 8384, 10480, 12576, 15720, 16768, 20960, 25152, 31440, 33536, 41920, 42071, 50304, 62880, 83840, 84142, 100608, 125760, 126213, 167680, 168284, 210355, 251520, 252426, 336568, 420710, 503040, 504852, 631065, 673136, 841420, 1009704, 1262130, 1346272, 1682840, 2019408, 2524260, 2692544, 3365680, 4038816, 5048520, 5385088, 5511301, 6731360, 8077632, 10097040, 10770176, 11022602, 13462720, 16155264, 16533903, 20194080, 22045204, 26925440, 27556505, 32310528, 33067806, 40388160, 44090408, 53850880, 55113010, 66135612, 80776320, 82669515, 88180816, 110226020, 132271224, 161552640, 165339030, 176361632, 220452040, 264542448, 330678060, 352723264, 440904080, 529084896, 661356120, 705446528, 881808160, 1058169792, 1322712240, 1410893056, 1763616320, 2116339584, 2645424480, 3527232640, 4232679168, 5290848960, 7054465280, 10581697920, 21163395840]

約数ペア:

[(1, 21163395840), (2, 10581697920), (3, 7054465280), (4, 5290848960), (5, 4232679168), (6, 3527232640), (8, 2645424480), (10, 2116339584), (12, 1763616320), (15, 1410893056), (16, 1322712240), (20, 1058169792), (24, 881808160), (30, 705446528), (32, 661356120), (40, 529084896), (48, 440904080), (60, 352723264), (64, 330678060), (80, 264542448), (96, 220452040), (120, 176361632), (128, 165339030), (131, 161552640), (160, 132271224), (192, 110226020), (240, 88180816), (256, 82669515), (262, 80776320), (320, 66135612), (384, 55113010), (393, 53850880), (480, 44090408), (524, 40388160), (640, 33067806), (655, 32310528), (768, 27556505), (786, 26925440), (960, 22045204), (1048, 20194080), (1280, 16533903), (1310, 16155264), (1572, 13462720), (1920, 11022602), (1965, 10770176), (2096, 10097040), (2620, 8077632), (3144, 6731360), (3840, 5511301), (3930, 5385088), (4192, 5048520), (5240, 4038816), (6288, 3365680), (7860, 2692544), (8384, 2524260), (10480, 2019408), (12576, 1682840), (15720, 1346272), (16768, 1262130), (20960, 1009704), (25152, 841420), (31440, 673136), (33536, 631065), (41920, 504852), (42071, 503040), (50304, 420710), (62880, 336568), (83840, 252426), (84142, 251520), (100608, 210355), (125760, 168284), (126213, 167680)]