81393312

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{11}}^3\times {\mathrm{13}}^1$

素因数の和:73

約数の個数: 288

約数和(自身を含む): 294404544

約数和(自身を除く): 213011232

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 16, 21, 22, 24, 26, 28, 32, 33, 39, 42, 44, 48, 49, 52, 56, 66, 77, 78, 84, 88, 91, 96, 98, 104, 112, 121, 132, 143, 147, 154, 156, 168, 176, 182, 196, 208, 224, 231, 242, 264, 273, 286, 294, 308, 312, 336, 352, 363, 364, 392, 416, 429, 462, 484, 528, 539, 546, 572, 588, 616, 624, 637, 672, 726, 728, 784, 847, 858, 924, 968, 1001, 1056, 1078, 1092, 1144, 1176, 1232, 1248, 1274, 1331, 1452, 1456, 1568, 1573, 1617, 1694, 1716, 1848, 1911, 1936, 2002, 2156, 2184, 2288, 2352, 2464, 2541, 2548, 2662, 2904, 2912, 3003, 3146, 3234, 3388, 3432, 3696, 3822, 3872, 3993, 4004, 4312, 4368, 4576, 4704, 4719, 5082, 5096, 5324, 5808, 5929, 6006, 6292, 6468, 6776, 6864, 7007, 7392, 7644, 7986, 8008, 8624, 8736, 9317, 9438, 10164, 10192, 10648, 11011, 11616, 11858, 12012, 12584, 12936, 13552, 13728, 14014, 15288, 15972, 16016, 17248, 17303, 17787, 18634, 18876, 20328, 20384, 21021, 21296, 22022, 23716, 24024, 25168, 25872, 27104, 27951, 28028, 30576, 31944, 32032, 33033, 34606, 35574, 37268, 37752, 40656, 42042, 42592, 44044, 47432, 48048, 50336, 51744, 51909, 55902, 56056, 61152, 63888, 65219, 66066, 69212, 71148, 74536, 75504, 77077, 81312, 84084, 88088, 94864, 96096, 103818, 111804, 112112, 121121, 127776, 130438, 132132, 138424, 142296, 149072, 151008, 154154, 168168, 176176, 189728, 195657, 207636, 223608, 224224, 231231, 242242, 260876, 264264, 276848, 284592, 298144, 308308, 336336, 352352, 363363, 391314, 415272, 447216, 462462, 484484, 521752, 528528, 553696, 569184, 616616, 672672, 726726, 782628, 830544, 847847, 894432, 924924, 968968, 1043504, 1057056, 1233232, 1453452, 1565256, 1661088, 1695694, 1849848, 1937936, 2087008, 2466464, 2543541, 2906904, 3130512, 3391388, 3699696, 3875872, 5087082, 5813808, 6261024, 6782776, 7399392, 10174164, 11627616, 13565552, 20348328, 27131104, 40696656, 81393312]

約数ペア:

[(1, 81393312), (2, 40696656), (3, 27131104), (4, 20348328), (6, 13565552), (7, 11627616), (8, 10174164), (11, 7399392), (12, 6782776), (13, 6261024), (14, 5813808), (16, 5087082), (21, 3875872), (22, 3699696), (24, 3391388), (26, 3130512), (28, 2906904), (32, 2543541), (33, 2466464), (39, 2087008), (42, 1937936), (44, 1849848), (48, 1695694), (49, 1661088), (52, 1565256), (56, 1453452), (66, 1233232), (77, 1057056), (78, 1043504), (84, 968968), (88, 924924), (91, 894432), (96, 847847), (98, 830544), (104, 782628), (112, 726726), (121, 672672), (132, 616616), (143, 569184), (147, 553696), (154, 528528), (156, 521752), (168, 484484), (176, 462462), (182, 447216), (196, 415272), (208, 391314), (224, 363363), (231, 352352), (242, 336336), (264, 308308), (273, 298144), (286, 284592), (294, 276848), (308, 264264), (312, 260876), (336, 242242), (352, 231231), (363, 224224), (364, 223608), (392, 207636), (416, 195657), (429, 189728), (462, 176176), (484, 168168), (528, 154154), (539, 151008), (546, 149072), (572, 142296), (588, 138424), (616, 132132), (624, 130438), (637, 127776), (672, 121121), (726, 112112), (728, 111804), (784, 103818), (847, 96096), (858, 94864), (924, 88088), (968, 84084), (1001, 81312), (1056, 77077), (1078, 75504), (1092, 74536), (1144, 71148), (1176, 69212), (1232, 66066), (1248, 65219), (1274, 63888), (1331, 61152), (1452, 56056), (1456, 55902), (1568, 51909), (1573, 51744), (1617, 50336), (1694, 48048), (1716, 47432), (1848, 44044), (1911, 42592), (1936, 42042), (2002, 40656), (2156, 37752), (2184, 37268), (2288, 35574), (2352, 34606), (2464, 33033), (2541, 32032), (2548, 31944), (2662, 30576), (2904, 28028), (2912, 27951), (3003, 27104), (3146, 25872), (3234, 25168), (3388, 24024), (3432, 23716), (3696, 22022), (3822, 21296), (3872, 21021), (3993, 20384), (4004, 20328), (4312, 18876), (4368, 18634), (4576, 17787), (4704, 17303), (4719, 17248), (5082, 16016), (5096, 15972), (5324, 15288), (5808, 14014), (5929, 13728), (6006, 13552), (6292, 12936), (6468, 12584), (6776, 12012), (6864, 11858), (7007, 11616), (7392, 11011), (7644, 10648), (7986, 10192), (8008, 10164), (8624, 9438), (8736, 9317)]