81553472

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:129

約数の個数: 224

約数和(自身を含む): 232135680

約数和(自身を除く): 150582208

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 19, 22, 26, 28, 32, 38, 44, 52, 56, 64, 67, 76, 77, 88, 91, 104, 112, 133, 134, 143, 152, 154, 176, 182, 208, 209, 224, 247, 266, 268, 286, 304, 308, 352, 364, 416, 418, 448, 469, 494, 532, 536, 572, 608, 616, 704, 728, 737, 832, 836, 871, 938, 988, 1001, 1064, 1072, 1144, 1216, 1232, 1273, 1456, 1463, 1474, 1672, 1729, 1742, 1876, 1976, 2002, 2128, 2144, 2288, 2464, 2546, 2717, 2912, 2926, 2948, 3344, 3458, 3484, 3752, 3952, 4004, 4256, 4288, 4576, 4928, 5092, 5159, 5434, 5824, 5852, 5896, 6097, 6688, 6916, 6968, 7504, 7904, 8008, 8512, 8911, 9152, 9581, 10184, 10318, 10868, 11704, 11792, 12194, 13376, 13832, 13936, 14003, 15008, 15808, 16016, 16549, 17822, 19019, 19162, 20368, 20636, 21736, 23408, 23584, 24388, 27664, 27872, 28006, 30016, 32032, 33098, 35644, 38038, 38324, 40736, 41272, 43472, 46816, 47168, 48776, 55328, 55744, 56012, 64064, 66196, 67067, 71288, 76076, 76648, 81472, 82544, 86944, 93632, 97552, 98021, 110656, 112024, 115843, 132392, 134134, 142576, 152152, 153296, 165088, 173888, 182039, 195104, 196042, 224048, 231686, 264784, 268268, 285152, 304304, 306592, 330176, 364078, 390208, 392084, 448096, 463372, 529568, 536536, 570304, 608608, 613184, 728156, 784168, 896192, 926744, 1059136, 1073072, 1217216, 1274273, 1456312, 1568336, 1853488, 2146144, 2548546, 2912624, 3136672, 3706976, 4292288, 5097092, 5825248, 6273344, 7413952, 10194184, 11650496, 20388368, 40776736, 81553472]

約数ペア:

[(1, 81553472), (2, 40776736), (4, 20388368), (7, 11650496), (8, 10194184), (11, 7413952), (13, 6273344), (14, 5825248), (16, 5097092), (19, 4292288), (22, 3706976), (26, 3136672), (28, 2912624), (32, 2548546), (38, 2146144), (44, 1853488), (52, 1568336), (56, 1456312), (64, 1274273), (67, 1217216), (76, 1073072), (77, 1059136), (88, 926744), (91, 896192), (104, 784168), (112, 728156), (133, 613184), (134, 608608), (143, 570304), (152, 536536), (154, 529568), (176, 463372), (182, 448096), (208, 392084), (209, 390208), (224, 364078), (247, 330176), (266, 306592), (268, 304304), (286, 285152), (304, 268268), (308, 264784), (352, 231686), (364, 224048), (416, 196042), (418, 195104), (448, 182039), (469, 173888), (494, 165088), (532, 153296), (536, 152152), (572, 142576), (608, 134134), (616, 132392), (704, 115843), (728, 112024), (737, 110656), (832, 98021), (836, 97552), (871, 93632), (938, 86944), (988, 82544), (1001, 81472), (1064, 76648), (1072, 76076), (1144, 71288), (1216, 67067), (1232, 66196), (1273, 64064), (1456, 56012), (1463, 55744), (1474, 55328), (1672, 48776), (1729, 47168), (1742, 46816), (1876, 43472), (1976, 41272), (2002, 40736), (2128, 38324), (2144, 38038), (2288, 35644), (2464, 33098), (2546, 32032), (2717, 30016), (2912, 28006), (2926, 27872), (2948, 27664), (3344, 24388), (3458, 23584), (3484, 23408), (3752, 21736), (3952, 20636), (4004, 20368), (4256, 19162), (4288, 19019), (4576, 17822), (4928, 16549), (5092, 16016), (5159, 15808), (5434, 15008), (5824, 14003), (5852, 13936), (5896, 13832), (6097, 13376), (6688, 12194), (6916, 11792), (6968, 11704), (7504, 10868), (7904, 10318), (8008, 10184), (8512, 9581), (8911, 9152)]