421657600

素因数分解:

$2^{10}\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:231

約数の個数: 264

約数和(自身を含む): 1293507488

約数和(自身を除く): 871849888

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 64, 65, 70, 80, 91, 100, 104, 112, 128, 130, 140, 160, 175, 181, 182, 200, 208, 224, 256, 260, 280, 320, 325, 350, 362, 364, 400, 416, 448, 455, 512, 520, 560, 640, 650, 700, 724, 728, 800, 832, 896, 905, 910, 1024, 1040, 1120, 1267, 1280, 1300, 1400, 1448, 1456, 1600, 1664, 1792, 1810, 1820, 2080, 2240, 2275, 2353, 2534, 2560, 2600, 2800, 2896, 2912, 3200, 3328, 3584, 3620, 3640, 4160, 4480, 4525, 4550, 4706, 5068, 5120, 5200, 5600, 5792, 5824, 6335, 6400, 6656, 7168, 7240, 7280, 8320, 8960, 9050, 9100, 9412, 10136, 10400, 11200, 11584, 11648, 11765, 12670, 12800, 13312, 14480, 14560, 16471, 16640, 17920, 18100, 18200, 18824, 20272, 20800, 22400, 23168, 23296, 23530, 25340, 25600, 28960, 29120, 31675, 32942, 33280, 35840, 36200, 36400, 37648, 40544, 41600, 44800, 46336, 46592, 47060, 50680, 57920, 58240, 58825, 63350, 65884, 66560, 72400, 72800, 75296, 81088, 82355, 83200, 89600, 92672, 93184, 94120, 101360, 115840, 116480, 117650, 126700, 131768, 144800, 145600, 150592, 162176, 164710, 166400, 179200, 185344, 188240, 202720, 231680, 232960, 235300, 253400, 263536, 289600, 291200, 301184, 324352, 329420, 332800, 376480, 405440, 411775, 463360, 465920, 470600, 506800, 527072, 579200, 582400, 602368, 648704, 658840, 752960, 810880, 823550, 926720, 941200, 1013600, 1054144, 1158400, 1164800, 1204736, 1297408, 1317680, 1505920, 1621760, 1647100, 1882400, 2027200, 2108288, 2316800, 2329600, 2409472, 2635360, 3011840, 3243520, 3294200, 3764800, 4054400, 4216576, 4633600, 5270720, 6023680, 6487040, 6588400, 7529600, 8108800, 8433152, 10541440, 12047360, 13176800, 15059200, 16217600, 16866304, 21082880, 26353600, 30118400, 32435200, 42165760, 52707200, 60236800, 84331520, 105414400, 210828800, 421657600]

約数ペア:

[(1, 421657600), (2, 210828800), (4, 105414400), (5, 84331520), (7, 60236800), (8, 52707200), (10, 42165760), (13, 32435200), (14, 30118400), (16, 26353600), (20, 21082880), (25, 16866304), (26, 16217600), (28, 15059200), (32, 13176800), (35, 12047360), (40, 10541440), (50, 8433152), (52, 8108800), (56, 7529600), (64, 6588400), (65, 6487040), (70, 6023680), (80, 5270720), (91, 4633600), (100, 4216576), (104, 4054400), (112, 3764800), (128, 3294200), (130, 3243520), (140, 3011840), (160, 2635360), (175, 2409472), (181, 2329600), (182, 2316800), (200, 2108288), (208, 2027200), (224, 1882400), (256, 1647100), (260, 1621760), (280, 1505920), (320, 1317680), (325, 1297408), (350, 1204736), (362, 1164800), (364, 1158400), (400, 1054144), (416, 1013600), (448, 941200), (455, 926720), (512, 823550), (520, 810880), (560, 752960), (640, 658840), (650, 648704), (700, 602368), (724, 582400), (728, 579200), (800, 527072), (832, 506800), (896, 470600), (905, 465920), (910, 463360), (1024, 411775), (1040, 405440), (1120, 376480), (1267, 332800), (1280, 329420), (1300, 324352), (1400, 301184), (1448, 291200), (1456, 289600), (1600, 263536), (1664, 253400), (1792, 235300), (1810, 232960), (1820, 231680), (2080, 202720), (2240, 188240), (2275, 185344), (2353, 179200), (2534, 166400), (2560, 164710), (2600, 162176), (2800, 150592), (2896, 145600), (2912, 144800), (3200, 131768), (3328, 126700), (3584, 117650), (3620, 116480), (3640, 115840), (4160, 101360), (4480, 94120), (4525, 93184), (4550, 92672), (4706, 89600), (5068, 83200), (5120, 82355), (5200, 81088), (5600, 75296), (5792, 72800), (5824, 72400), (6335, 66560), (6400, 65884), (6656, 63350), (7168, 58825), (7240, 58240), (7280, 57920), (8320, 50680), (8960, 47060), (9050, 46592), (9100, 46336), (9412, 44800), (10136, 41600), (10400, 40544), (11200, 37648), (11584, 36400), (11648, 36200), (11765, 35840), (12670, 33280), (12800, 32942), (13312, 31675), (14480, 29120), (14560, 28960), (16471, 25600), (16640, 25340), (17920, 23530), (18100, 23296), (18200, 23168), (18824, 22400), (20272, 20800)]