81447408

素因数分解:

$2^4\times 3^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:149

約数の個数: 240

約数和(自身を含む): 284356800

約数和(自身を除く): 202909392

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 34, 36, 42, 48, 49, 51, 56, 63, 68, 72, 84, 97, 98, 102, 112, 119, 126, 136, 144, 147, 153, 168, 194, 196, 204, 238, 252, 272, 291, 294, 306, 336, 343, 357, 388, 392, 408, 441, 476, 504, 582, 588, 612, 679, 686, 714, 776, 784, 816, 833, 873, 882, 952, 1008, 1029, 1071, 1164, 1176, 1224, 1358, 1372, 1428, 1552, 1649, 1666, 1746, 1764, 1904, 2037, 2058, 2142, 2328, 2352, 2448, 2499, 2716, 2744, 2856, 3087, 3298, 3332, 3492, 3528, 4074, 4116, 4284, 4656, 4753, 4947, 4998, 5432, 5488, 5712, 5831, 6111, 6174, 6596, 6664, 6984, 7056, 7497, 8148, 8232, 8568, 9506, 9894, 9996, 10864, 11543, 11662, 12222, 12348, 13192, 13328, 13968, 14259, 14841, 14994, 16296, 16464, 17136, 17493, 19012, 19788, 19992, 23086, 23324, 24444, 24696, 26384, 28518, 29682, 29988, 32592, 33271, 34629, 34986, 38024, 39576, 39984, 42777, 46172, 46648, 48888, 49392, 52479, 57036, 59364, 59976, 66542, 69258, 69972, 76048, 79152, 80801, 85554, 92344, 93296, 97776, 99813, 103887, 104958, 114072, 118728, 119952, 133084, 138516, 139944, 161602, 171108, 184688, 199626, 207774, 209916, 228144, 237456, 242403, 266168, 277032, 279888, 299439, 323204, 342216, 399252, 415548, 419832, 484806, 532336, 554064, 565607, 598878, 646408, 684432, 727209, 798504, 831096, 839664, 969612, 1131214, 1197756, 1292816, 1454418, 1597008, 1662192, 1696821, 1939224, 2262428, 2395512, 2908836, 3393642, 3878448, 4524856, 4791024, 5090463, 5817672, 6787284, 9049712, 10180926, 11635344, 13574568, 20361852, 27149136, 40723704, 81447408]

約数ペア:

[(1, 81447408), (2, 40723704), (3, 27149136), (4, 20361852), (6, 13574568), (7, 11635344), (8, 10180926), (9, 9049712), (12, 6787284), (14, 5817672), (16, 5090463), (17, 4791024), (18, 4524856), (21, 3878448), (24, 3393642), (28, 2908836), (34, 2395512), (36, 2262428), (42, 1939224), (48, 1696821), (49, 1662192), (51, 1597008), (56, 1454418), (63, 1292816), (68, 1197756), (72, 1131214), (84, 969612), (97, 839664), (98, 831096), (102, 798504), (112, 727209), (119, 684432), (126, 646408), (136, 598878), (144, 565607), (147, 554064), (153, 532336), (168, 484806), (194, 419832), (196, 415548), (204, 399252), (238, 342216), (252, 323204), (272, 299439), (291, 279888), (294, 277032), (306, 266168), (336, 242403), (343, 237456), (357, 228144), (388, 209916), (392, 207774), (408, 199626), (441, 184688), (476, 171108), (504, 161602), (582, 139944), (588, 138516), (612, 133084), (679, 119952), (686, 118728), (714, 114072), (776, 104958), (784, 103887), (816, 99813), (833, 97776), (873, 93296), (882, 92344), (952, 85554), (1008, 80801), (1029, 79152), (1071, 76048), (1164, 69972), (1176, 69258), (1224, 66542), (1358, 59976), (1372, 59364), (1428, 57036), (1552, 52479), (1649, 49392), (1666, 48888), (1746, 46648), (1764, 46172), (1904, 42777), (2037, 39984), (2058, 39576), (2142, 38024), (2328, 34986), (2352, 34629), (2448, 33271), (2499, 32592), (2716, 29988), (2744, 29682), (2856, 28518), (3087, 26384), (3298, 24696), (3332, 24444), (3492, 23324), (3528, 23086), (4074, 19992), (4116, 19788), (4284, 19012), (4656, 17493), (4753, 17136), (4947, 16464), (4998, 16296), (5432, 14994), (5488, 14841), (5712, 14259), (5831, 13968), (6111, 13328), (6174, 13192), (6596, 12348), (6664, 12222), (6984, 11662), (7056, 11543), (7497, 10864), (8148, 9996), (8232, 9894), (8568, 9506)]