648256128

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:191

約数の個数: 256

約数和(自身を含む): 1974067200

約数和(自身を除く): 1325811072

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 59, 62, 64, 71, 78, 93, 96, 104, 118, 124, 128, 142, 156, 177, 186, 192, 208, 213, 236, 248, 284, 312, 354, 372, 384, 403, 416, 426, 472, 496, 568, 624, 708, 744, 767, 806, 832, 852, 923, 944, 992, 1136, 1209, 1248, 1416, 1488, 1534, 1612, 1664, 1704, 1829, 1846, 1888, 1984, 2201, 2272, 2301, 2418, 2496, 2769, 2832, 2976, 3068, 3224, 3408, 3658, 3692, 3776, 3968, 4189, 4402, 4544, 4602, 4836, 4992, 5487, 5538, 5664, 5952, 6136, 6448, 6603, 6816, 7316, 7384, 7552, 8378, 8804, 9088, 9204, 9672, 10974, 11076, 11328, 11904, 12272, 12567, 12896, 13206, 13632, 14632, 14768, 16756, 17608, 18408, 19344, 21948, 22152, 22656, 23777, 24544, 25134, 25792, 26412, 27264, 28613, 29264, 29536, 33512, 35216, 36816, 38688, 43896, 44304, 47554, 49088, 50268, 51584, 52824, 54457, 57226, 58528, 59072, 67024, 70432, 71331, 73632, 77376, 85839, 87792, 88608, 95108, 98176, 100536, 105648, 108914, 114452, 117056, 118144, 129859, 134048, 140864, 142662, 147264, 154752, 163371, 171678, 175584, 177216, 190216, 201072, 211296, 217828, 228904, 234112, 259718, 268096, 281728, 285324, 294528, 326742, 343356, 351168, 354432, 380432, 389577, 402144, 422592, 435656, 457808, 519436, 536192, 570648, 653484, 686712, 702336, 760864, 779154, 804288, 845184, 871312, 915616, 1038872, 1141296, 1306968, 1373424, 1521728, 1558308, 1608576, 1688167, 1742624, 1831232, 2077744, 2282592, 2613936, 2746848, 3043456, 3116616, 3376334, 3485248, 3662464, 4155488, 4565184, 5064501, 5227872, 5493696, 6233232, 6752668, 6970496, 8310976, 9130368, 10129002, 10455744, 10987392, 12466464, 13505336, 16621952, 20258004, 20911488, 24932928, 27010672, 40516008, 49865856, 54021344, 81032016, 108042688, 162064032, 216085376, 324128064, 648256128]

約数ペア:

[(1, 648256128), (2, 324128064), (3, 216085376), (4, 162064032), (6, 108042688), (8, 81032016), (12, 54021344), (13, 49865856), (16, 40516008), (24, 27010672), (26, 24932928), (31, 20911488), (32, 20258004), (39, 16621952), (48, 13505336), (52, 12466464), (59, 10987392), (62, 10455744), (64, 10129002), (71, 9130368), (78, 8310976), (93, 6970496), (96, 6752668), (104, 6233232), (118, 5493696), (124, 5227872), (128, 5064501), (142, 4565184), (156, 4155488), (177, 3662464), (186, 3485248), (192, 3376334), (208, 3116616), (213, 3043456), (236, 2746848), (248, 2613936), (284, 2282592), (312, 2077744), (354, 1831232), (372, 1742624), (384, 1688167), (403, 1608576), (416, 1558308), (426, 1521728), (472, 1373424), (496, 1306968), (568, 1141296), (624, 1038872), (708, 915616), (744, 871312), (767, 845184), (806, 804288), (832, 779154), (852, 760864), (923, 702336), (944, 686712), (992, 653484), (1136, 570648), (1209, 536192), (1248, 519436), (1416, 457808), (1488, 435656), (1534, 422592), (1612, 402144), (1664, 389577), (1704, 380432), (1829, 354432), (1846, 351168), (1888, 343356), (1984, 326742), (2201, 294528), (2272, 285324), (2301, 281728), (2418, 268096), (2496, 259718), (2769, 234112), (2832, 228904), (2976, 217828), (3068, 211296), (3224, 201072), (3408, 190216), (3658, 177216), (3692, 175584), (3776, 171678), (3968, 163371), (4189, 154752), (4402, 147264), (4544, 142662), (4602, 140864), (4836, 134048), (4992, 129859), (5487, 118144), (5538, 117056), (5664, 114452), (5952, 108914), (6136, 105648), (6448, 100536), (6603, 98176), (6816, 95108), (7316, 88608), (7384, 87792), (7552, 85839), (8378, 77376), (8804, 73632), (9088, 71331), (9204, 70432), (9672, 67024), (10974, 59072), (11076, 58528), (11328, 57226), (11904, 54457), (12272, 52824), (12567, 51584), (12896, 50268), (13206, 49088), (13632, 47554), (14632, 44304), (14768, 43896), (16756, 38688), (17608, 36816), (18408, 35216), (19344, 33512), (21948, 29536), (22152, 29264), (22656, 28613), (23777, 27264), (24544, 26412), (25134, 25792)]