81189360

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:296

約数の個数: 240

約数和(自身を含む): 316854720

約数和(自身を除く): 235665360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 89, 90, 105, 112, 120, 126, 140, 144, 168, 178, 180, 181, 210, 240, 252, 267, 280, 315, 336, 356, 360, 362, 420, 445, 504, 534, 543, 560, 623, 630, 712, 720, 724, 801, 840, 890, 905, 1008, 1068, 1086, 1246, 1260, 1267, 1335, 1424, 1448, 1602, 1629, 1680, 1780, 1810, 1869, 2136, 2172, 2492, 2520, 2534, 2670, 2715, 2896, 3115, 3204, 3258, 3560, 3620, 3738, 3801, 4005, 4272, 4344, 4984, 5040, 5068, 5340, 5430, 5607, 6230, 6335, 6408, 6516, 7120, 7240, 7476, 7602, 8010, 8145, 8688, 9345, 9968, 10136, 10680, 10860, 11214, 11403, 12460, 12670, 12816, 13032, 14480, 14952, 15204, 16020, 16109, 16290, 18690, 19005, 20272, 21360, 21720, 22428, 22806, 24920, 25340, 26064, 28035, 29904, 30408, 32040, 32218, 32580, 37380, 38010, 43440, 44856, 45612, 48327, 49840, 50680, 56070, 57015, 60816, 64080, 64436, 65160, 74760, 76020, 80545, 89712, 91224, 96654, 101360, 112140, 112763, 114030, 128872, 130320, 144981, 149520, 152040, 161090, 182448, 193308, 224280, 225526, 228060, 241635, 257744, 289962, 304080, 322180, 338289, 386616, 448560, 451052, 456120, 483270, 563815, 579924, 644360, 676578, 724905, 773232, 902104, 912240, 966540, 1014867, 1127630, 1159848, 1288720, 1353156, 1449810, 1691445, 1804208, 1933080, 2029734, 2255260, 2319696, 2706312, 2899620, 3382890, 3866160, 4059468, 4510520, 5074335, 5412624, 5799240, 6765780, 8118936, 9021040, 10148670, 11598480, 13531560, 16237872, 20297340, 27063120, 40594680, 81189360]

約数ペア:

[(1, 81189360), (2, 40594680), (3, 27063120), (4, 20297340), (5, 16237872), (6, 13531560), (7, 11598480), (8, 10148670), (9, 9021040), (10, 8118936), (12, 6765780), (14, 5799240), (15, 5412624), (16, 5074335), (18, 4510520), (20, 4059468), (21, 3866160), (24, 3382890), (28, 2899620), (30, 2706312), (35, 2319696), (36, 2255260), (40, 2029734), (42, 1933080), (45, 1804208), (48, 1691445), (56, 1449810), (60, 1353156), (63, 1288720), (70, 1159848), (72, 1127630), (80, 1014867), (84, 966540), (89, 912240), (90, 902104), (105, 773232), (112, 724905), (120, 676578), (126, 644360), (140, 579924), (144, 563815), (168, 483270), (178, 456120), (180, 451052), (181, 448560), (210, 386616), (240, 338289), (252, 322180), (267, 304080), (280, 289962), (315, 257744), (336, 241635), (356, 228060), (360, 225526), (362, 224280), (420, 193308), (445, 182448), (504, 161090), (534, 152040), (543, 149520), (560, 144981), (623, 130320), (630, 128872), (712, 114030), (720, 112763), (724, 112140), (801, 101360), (840, 96654), (890, 91224), (905, 89712), (1008, 80545), (1068, 76020), (1086, 74760), (1246, 65160), (1260, 64436), (1267, 64080), (1335, 60816), (1424, 57015), (1448, 56070), (1602, 50680), (1629, 49840), (1680, 48327), (1780, 45612), (1810, 44856), (1869, 43440), (2136, 38010), (2172, 37380), (2492, 32580), (2520, 32218), (2534, 32040), (2670, 30408), (2715, 29904), (2896, 28035), (3115, 26064), (3204, 25340), (3258, 24920), (3560, 22806), (3620, 22428), (3738, 21720), (3801, 21360), (4005, 20272), (4272, 19005), (4344, 18690), (4984, 16290), (5040, 16109), (5068, 16020), (5340, 15204), (5430, 14952), (5607, 14480), (6230, 13032), (6335, 12816), (6408, 12670), (6516, 12460), (7120, 11403), (7240, 11214), (7476, 10860), (7602, 10680), (8010, 10136), (8145, 9968), (8688, 9345)]