21670304640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:821

約数の個数: 256

約数和(自身を含む): 70145187840

約数和(自身を除く): 48474883200

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, 127, 128, 160, 181, 192, 240, 254, 320, 362, 381, 384, 480, 491, 508, 543, 635, 640, 724, 762, 905, 960, 982, 1016, 1086, 1270, 1448, 1473, 1524, 1810, 1905, 1920, 1964, 2032, 2172, 2455, 2540, 2715, 2896, 2946, 3048, 3620, 3810, 3928, 4064, 4344, 4910, 5080, 5430, 5792, 5892, 6096, 7240, 7365, 7620, 7856, 8128, 8688, 9820, 10160, 10860, 11584, 11784, 12192, 14480, 14730, 15240, 15712, 16256, 17376, 19640, 20320, 21720, 22987, 23168, 23568, 24384, 28960, 29460, 30480, 31424, 34752, 39280, 40640, 43440, 45974, 47136, 48768, 57920, 58920, 60960, 62357, 62848, 68961, 69504, 78560, 81280, 86880, 88871, 91948, 94272, 114935, 115840, 117840, 121920, 124714, 137922, 157120, 173760, 177742, 183896, 187071, 188544, 229870, 235680, 243840, 249428, 266613, 275844, 311785, 314240, 344805, 347520, 355484, 367792, 374142, 444355, 459740, 471360, 498856, 533226, 551688, 623570, 689610, 710968, 735584, 748284, 888710, 919480, 935355, 942720, 997712, 1066452, 1103376, 1247140, 1333065, 1379220, 1421936, 1471168, 1496568, 1777420, 1838960, 1870710, 1995424, 2132904, 2206752, 2494280, 2666130, 2758440, 2843872, 2942336, 2993136, 3554840, 3677920, 3741420, 3990848, 4265808, 4413504, 4988560, 5332260, 5516880, 5687744, 5986272, 7109680, 7355840, 7482840, 7981696, 8531616, 8827008, 9977120, 10664520, 11033760, 11286617, 11375488, 11972544, 14219360, 14711680, 14965680, 17063232, 19954240, 21329040, 22067520, 22573234, 23945088, 28438720, 29931360, 33859851, 34126464, 39908480, 42658080, 44135040, 45146468, 56433085, 56877440, 59862720, 67719702, 85316160, 90292936, 112866170, 119725440, 135439404, 169299255, 170632320, 180585872, 225732340, 270878808, 338598510, 361171744, 451464680, 541757616, 677197020, 722343488, 902929360, 1083515232, 1354394040, 1444686976, 1805858720, 2167030464, 2708788080, 3611717440, 4334060928, 5417576160, 7223434880, 10835152320, 21670304640]

約数ペア:

[(1, 21670304640), (2, 10835152320), (3, 7223434880), (4, 5417576160), (5, 4334060928), (6, 3611717440), (8, 2708788080), (10, 2167030464), (12, 1805858720), (15, 1444686976), (16, 1354394040), (20, 1083515232), (24, 902929360), (30, 722343488), (32, 677197020), (40, 541757616), (48, 451464680), (60, 361171744), (64, 338598510), (80, 270878808), (96, 225732340), (120, 180585872), (127, 170632320), (128, 169299255), (160, 135439404), (181, 119725440), (192, 112866170), (240, 90292936), (254, 85316160), (320, 67719702), (362, 59862720), (381, 56877440), (384, 56433085), (480, 45146468), (491, 44135040), (508, 42658080), (543, 39908480), (635, 34126464), (640, 33859851), (724, 29931360), (762, 28438720), (905, 23945088), (960, 22573234), (982, 22067520), (1016, 21329040), (1086, 19954240), (1270, 17063232), (1448, 14965680), (1473, 14711680), (1524, 14219360), (1810, 11972544), (1905, 11375488), (1920, 11286617), (1964, 11033760), (2032, 10664520), (2172, 9977120), (2455, 8827008), (2540, 8531616), (2715, 7981696), (2896, 7482840), (2946, 7355840), (3048, 7109680), (3620, 5986272), (3810, 5687744), (3928, 5516880), (4064, 5332260), (4344, 4988560), (4910, 4413504), (5080, 4265808), (5430, 3990848), (5792, 3741420), (5892, 3677920), (6096, 3554840), (7240, 2993136), (7365, 2942336), (7620, 2843872), (7856, 2758440), (8128, 2666130), (8688, 2494280), (9820, 2206752), (10160, 2132904), (10860, 1995424), (11584, 1870710), (11784, 1838960), (12192, 1777420), (14480, 1496568), (14730, 1471168), (15240, 1421936), (15712, 1379220), (16256, 1333065), (17376, 1247140), (19640, 1103376), (20320, 1066452), (21720, 997712), (22987, 942720), (23168, 935355), (23568, 919480), (24384, 888710), (28960, 748284), (29460, 735584), (30480, 710968), (31424, 689610), (34752, 623570), (39280, 551688), (40640, 533226), (43440, 498856), (45974, 471360), (47136, 459740), (48768, 444355), (57920, 374142), (58920, 367792), (60960, 355484), (62357, 347520), (62848, 344805), (68961, 314240), (69504, 311785), (78560, 275844), (81280, 266613), (86880, 249428), (88871, 243840), (91948, 235680), (94272, 229870), (114935, 188544), (115840, 187071), (117840, 183896), (121920, 177742), (124714, 173760), (137922, 157120)]