81751680

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:133

約数の個数: 320

約数和(自身を含む): 311018400

約数和(自身を除く): 229266720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 81, 83, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 162, 166, 171, 180, 190, 192, 216, 228, 240, 249, 270, 285, 288, 304, 320, 324, 332, 342, 360, 380, 384, 405, 415, 432, 456, 480, 498, 513, 540, 570, 576, 608, 640, 648, 664, 684, 720, 747, 760, 810, 830, 855, 864, 912, 960, 996, 1026, 1080, 1140, 1152, 1216, 1245, 1296, 1328, 1368, 1440, 1494, 1520, 1539, 1577, 1620, 1660, 1710, 1728, 1824, 1920, 1992, 2052, 2160, 2241, 2280, 2432, 2490, 2565, 2592, 2656, 2736, 2880, 2988, 3040, 3078, 3154, 3240, 3320, 3420, 3456, 3648, 3735, 3984, 4104, 4320, 4482, 4560, 4731, 4980, 5130, 5184, 5312, 5472, 5760, 5976, 6080, 6156, 6308, 6480, 6640, 6723, 6840, 7296, 7470, 7695, 7885, 7968, 8208, 8640, 8964, 9120, 9462, 9960, 10260, 10368, 10624, 10944, 11205, 11952, 12160, 12312, 12616, 12960, 13280, 13446, 13680, 14193, 14940, 15390, 15770, 15936, 16416, 17280, 17928, 18240, 18924, 19920, 20520, 21888, 22410, 23655, 23904, 24624, 25232, 25920, 26560, 26892, 27360, 28386, 29880, 30780, 31540, 31872, 32832, 33615, 35856, 36480, 37848, 39840, 41040, 42579, 44820, 47310, 47808, 49248, 50464, 51840, 53120, 53784, 54720, 56772, 59760, 61560, 63080, 65664, 67230, 70965, 71712, 75696, 79680, 82080, 85158, 89640, 94620, 95616, 98496, 100928, 107568, 109440, 113544, 119520, 123120, 126160, 127737, 134460, 141930, 143424, 151392, 159360, 164160, 170316, 179280, 189240, 196992, 201856, 212895, 215136, 227088, 239040, 246240, 252320, 255474, 268920, 283860, 286848, 302784, 328320, 340632, 358560, 378480, 425790, 430272, 454176, 478080, 492480, 504640, 510948, 537840, 567720, 605568, 638685, 681264, 717120, 756960, 851580, 860544, 908352, 984960, 1009280, 1021896, 1075680, 1135440, 1277370, 1362528, 1434240, 1513920, 1703160, 1816704, 2043792, 2151360, 2270880, 2554740, 2725056, 3027840, 3406320, 4087584, 4302720, 4541760, 5109480, 5450112, 6812640, 8175168, 9083520, 10218960, 13625280, 16350336, 20437920, 27250560, 40875840, 81751680]

約数ペア:

[(1, 81751680), (2, 40875840), (3, 27250560), (4, 20437920), (5, 16350336), (6, 13625280), (8, 10218960), (9, 9083520), (10, 8175168), (12, 6812640), (15, 5450112), (16, 5109480), (18, 4541760), (19, 4302720), (20, 4087584), (24, 3406320), (27, 3027840), (30, 2725056), (32, 2554740), (36, 2270880), (38, 2151360), (40, 2043792), (45, 1816704), (48, 1703160), (54, 1513920), (57, 1434240), (60, 1362528), (64, 1277370), (72, 1135440), (76, 1075680), (80, 1021896), (81, 1009280), (83, 984960), (90, 908352), (95, 860544), (96, 851580), (108, 756960), (114, 717120), (120, 681264), (128, 638685), (135, 605568), (144, 567720), (152, 537840), (160, 510948), (162, 504640), (166, 492480), (171, 478080), (180, 454176), (190, 430272), (192, 425790), (216, 378480), (228, 358560), (240, 340632), (249, 328320), (270, 302784), (285, 286848), (288, 283860), (304, 268920), (320, 255474), (324, 252320), (332, 246240), (342, 239040), (360, 227088), (380, 215136), (384, 212895), (405, 201856), (415, 196992), (432, 189240), (456, 179280), (480, 170316), (498, 164160), (513, 159360), (540, 151392), (570, 143424), (576, 141930), (608, 134460), (640, 127737), (648, 126160), (664, 123120), (684, 119520), (720, 113544), (747, 109440), (760, 107568), (810, 100928), (830, 98496), (855, 95616), (864, 94620), (912, 89640), (960, 85158), (996, 82080), (1026, 79680), (1080, 75696), (1140, 71712), (1152, 70965), (1216, 67230), (1245, 65664), (1296, 63080), (1328, 61560), (1368, 59760), (1440, 56772), (1494, 54720), (1520, 53784), (1539, 53120), (1577, 51840), (1620, 50464), (1660, 49248), (1710, 47808), (1728, 47310), (1824, 44820), (1920, 42579), (1992, 41040), (2052, 39840), (2160, 37848), (2241, 36480), (2280, 35856), (2432, 33615), (2490, 32832), (2565, 31872), (2592, 31540), (2656, 30780), (2736, 29880), (2880, 28386), (2988, 27360), (3040, 26892), (3078, 26560), (3154, 25920), (3240, 25232), (3320, 24624), (3420, 23904), (3456, 23655), (3648, 22410), (3735, 21888), (3984, 20520), (4104, 19920), (4320, 18924), (4482, 18240), (4560, 17928), (4731, 17280), (4980, 16416), (5130, 15936), (5184, 15770), (5312, 15390), (5472, 14940), (5760, 14193), (5976, 13680), (6080, 13446), (6156, 13280), (6308, 12960), (6480, 12616), (6640, 12312), (6723, 12160), (6840, 11952), (7296, 11205), (7470, 10944), (7695, 10624), (7885, 10368), (7968, 10260), (8208, 9960), (8640, 9462), (8964, 9120)]