661846528

素因数分解:

$2^9\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:123

約数の個数: 240

約数和(自身を含む): 1701748224

約数和(自身を除く): 1039901696

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 32, 37, 46, 49, 56, 62, 64, 74, 92, 98, 112, 124, 128, 148, 161, 184, 196, 217, 224, 248, 256, 259, 296, 322, 368, 392, 434, 448, 496, 512, 518, 592, 644, 713, 736, 784, 851, 868, 896, 992, 1036, 1127, 1147, 1184, 1288, 1426, 1472, 1519, 1568, 1702, 1736, 1792, 1813, 1984, 2072, 2254, 2294, 2368, 2576, 2852, 2944, 3038, 3136, 3404, 3472, 3584, 3626, 3968, 4144, 4508, 4588, 4736, 4991, 5152, 5704, 5888, 5957, 6076, 6272, 6808, 6944, 7252, 7936, 8029, 8288, 9016, 9176, 9472, 9982, 10304, 11408, 11776, 11914, 12152, 12544, 13616, 13888, 14504, 15872, 16058, 16576, 18032, 18352, 18944, 19964, 20608, 22816, 23828, 24304, 25088, 26381, 27232, 27776, 29008, 32116, 33152, 34937, 36064, 36704, 39928, 41216, 41699, 45632, 47656, 48608, 52762, 54464, 55552, 56203, 58016, 64232, 66304, 69874, 72128, 73408, 79856, 82432, 83398, 91264, 95312, 97216, 105524, 108928, 111104, 112406, 116032, 128464, 132608, 139748, 144256, 146816, 159712, 166796, 182528, 184667, 190624, 194432, 211048, 217856, 224812, 232064, 256928, 279496, 288512, 293632, 319424, 333592, 365056, 369334, 381248, 388864, 422096, 435712, 449624, 464128, 513856, 558992, 577024, 587264, 638848, 667184, 738668, 762496, 777728, 844192, 899248, 928256, 1027712, 1117984, 1277696, 1292669, 1334368, 1477336, 1524992, 1688384, 1798496, 2055424, 2235968, 2555392, 2585338, 2668736, 2954672, 3049984, 3376768, 3596992, 4110848, 4471936, 5170676, 5337472, 5909344, 6753536, 7193984, 8943872, 10341352, 10674944, 11818688, 13507072, 14387968, 17887744, 20682704, 21349888, 23637376, 28775936, 41365408, 47274752, 82730816, 94549504, 165461632, 330923264, 661846528]

約数ペア:

[(1, 661846528), (2, 330923264), (4, 165461632), (7, 94549504), (8, 82730816), (14, 47274752), (16, 41365408), (23, 28775936), (28, 23637376), (31, 21349888), (32, 20682704), (37, 17887744), (46, 14387968), (49, 13507072), (56, 11818688), (62, 10674944), (64, 10341352), (74, 8943872), (92, 7193984), (98, 6753536), (112, 5909344), (124, 5337472), (128, 5170676), (148, 4471936), (161, 4110848), (184, 3596992), (196, 3376768), (217, 3049984), (224, 2954672), (248, 2668736), (256, 2585338), (259, 2555392), (296, 2235968), (322, 2055424), (368, 1798496), (392, 1688384), (434, 1524992), (448, 1477336), (496, 1334368), (512, 1292669), (518, 1277696), (592, 1117984), (644, 1027712), (713, 928256), (736, 899248), (784, 844192), (851, 777728), (868, 762496), (896, 738668), (992, 667184), (1036, 638848), (1127, 587264), (1147, 577024), (1184, 558992), (1288, 513856), (1426, 464128), (1472, 449624), (1519, 435712), (1568, 422096), (1702, 388864), (1736, 381248), (1792, 369334), (1813, 365056), (1984, 333592), (2072, 319424), (2254, 293632), (2294, 288512), (2368, 279496), (2576, 256928), (2852, 232064), (2944, 224812), (3038, 217856), (3136, 211048), (3404, 194432), (3472, 190624), (3584, 184667), (3626, 182528), (3968, 166796), (4144, 159712), (4508, 146816), (4588, 144256), (4736, 139748), (4991, 132608), (5152, 128464), (5704, 116032), (5888, 112406), (5957, 111104), (6076, 108928), (6272, 105524), (6808, 97216), (6944, 95312), (7252, 91264), (7936, 83398), (8029, 82432), (8288, 79856), (9016, 73408), (9176, 72128), (9472, 69874), (9982, 66304), (10304, 64232), (11408, 58016), (11776, 56203), (11914, 55552), (12152, 54464), (12544, 52762), (13616, 48608), (13888, 47656), (14504, 45632), (15872, 41699), (16058, 41216), (16576, 39928), (18032, 36704), (18352, 36064), (18944, 34937), (19964, 33152), (20608, 32116), (22816, 29008), (23828, 27776), (24304, 27232), (25088, 26381)]