81488400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 240

約数和(自身を含む): 304444800

約数和(自身を除く): 222956400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 89, 100, 105, 109, 112, 120, 140, 150, 168, 175, 178, 200, 210, 218, 240, 267, 280, 300, 327, 336, 350, 356, 400, 420, 436, 445, 525, 534, 545, 560, 600, 623, 654, 700, 712, 763, 840, 872, 890, 1050, 1068, 1090, 1200, 1246, 1308, 1335, 1400, 1424, 1526, 1635, 1680, 1744, 1780, 1869, 2100, 2136, 2180, 2225, 2289, 2492, 2616, 2670, 2725, 2800, 3052, 3115, 3270, 3560, 3738, 3815, 4200, 4272, 4360, 4450, 4578, 4984, 5232, 5340, 5450, 6104, 6230, 6540, 6675, 7120, 7476, 7630, 8175, 8400, 8720, 8900, 9156, 9345, 9701, 9968, 10680, 10900, 11445, 12208, 12460, 13080, 13350, 14952, 15260, 15575, 16350, 17800, 18312, 18690, 19075, 19402, 21360, 21800, 22890, 24920, 26160, 26700, 29103, 29904, 30520, 31150, 32700, 35600, 36624, 37380, 38150, 38804, 43600, 45780, 46725, 48505, 49840, 53400, 57225, 58206, 61040, 62300, 65400, 67907, 74760, 76300, 77608, 91560, 93450, 97010, 106800, 114450, 116412, 124600, 130800, 135814, 145515, 149520, 152600, 155216, 183120, 186900, 194020, 203721, 228900, 232824, 242525, 249200, 271628, 291030, 305200, 339535, 373800, 388040, 407442, 457800, 465648, 485050, 543256, 582060, 679070, 727575, 747600, 776080, 814884, 915600, 970100, 1018605, 1086512, 1164120, 1358140, 1455150, 1629768, 1697675, 1940200, 2037210, 2328240, 2716280, 2910300, 3259536, 3395350, 3880400, 4074420, 5093025, 5432560, 5820600, 6790700, 8148840, 10186050, 11641200, 13581400, 16297680, 20372100, 27162800, 40744200, 81488400]

約数ペア:

[(1, 81488400), (2, 40744200), (3, 27162800), (4, 20372100), (5, 16297680), (6, 13581400), (7, 11641200), (8, 10186050), (10, 8148840), (12, 6790700), (14, 5820600), (15, 5432560), (16, 5093025), (20, 4074420), (21, 3880400), (24, 3395350), (25, 3259536), (28, 2910300), (30, 2716280), (35, 2328240), (40, 2037210), (42, 1940200), (48, 1697675), (50, 1629768), (56, 1455150), (60, 1358140), (70, 1164120), (75, 1086512), (80, 1018605), (84, 970100), (89, 915600), (100, 814884), (105, 776080), (109, 747600), (112, 727575), (120, 679070), (140, 582060), (150, 543256), (168, 485050), (175, 465648), (178, 457800), (200, 407442), (210, 388040), (218, 373800), (240, 339535), (267, 305200), (280, 291030), (300, 271628), (327, 249200), (336, 242525), (350, 232824), (356, 228900), (400, 203721), (420, 194020), (436, 186900), (445, 183120), (525, 155216), (534, 152600), (545, 149520), (560, 145515), (600, 135814), (623, 130800), (654, 124600), (700, 116412), (712, 114450), (763, 106800), (840, 97010), (872, 93450), (890, 91560), (1050, 77608), (1068, 76300), (1090, 74760), (1200, 67907), (1246, 65400), (1308, 62300), (1335, 61040), (1400, 58206), (1424, 57225), (1526, 53400), (1635, 49840), (1680, 48505), (1744, 46725), (1780, 45780), (1869, 43600), (2100, 38804), (2136, 38150), (2180, 37380), (2225, 36624), (2289, 35600), (2492, 32700), (2616, 31150), (2670, 30520), (2725, 29904), (2800, 29103), (3052, 26700), (3115, 26160), (3270, 24920), (3560, 22890), (3738, 21800), (3815, 21360), (4200, 19402), (4272, 19075), (4360, 18690), (4450, 18312), (4578, 17800), (4984, 16350), (5232, 15575), (5340, 15260), (5450, 14952), (6104, 13350), (6230, 13080), (6540, 12460), (6675, 12208), (7120, 11445), (7476, 10900), (7630, 10680), (8175, 9968), (8400, 9701), (8720, 9345), (8900, 9156)]