661569792

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:165

約数の個数: 288

約数和(自身を含む): 2054857728

約数和(自身を除く): 1393287936

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 32, 39, 43, 46, 48, 52, 64, 67, 69, 78, 86, 92, 96, 104, 128, 129, 134, 138, 156, 172, 184, 192, 201, 208, 256, 258, 268, 276, 299, 312, 344, 368, 384, 402, 416, 516, 536, 552, 559, 598, 624, 688, 736, 768, 804, 832, 871, 897, 989, 1032, 1072, 1104, 1118, 1196, 1248, 1376, 1472, 1541, 1608, 1664, 1677, 1742, 1794, 1978, 2064, 2144, 2208, 2236, 2392, 2496, 2613, 2752, 2881, 2944, 2967, 3082, 3216, 3328, 3354, 3484, 3588, 3956, 4128, 4288, 4416, 4472, 4623, 4784, 4992, 5226, 5504, 5762, 5888, 5934, 6164, 6432, 6708, 6968, 7176, 7912, 8256, 8576, 8643, 8832, 8944, 9246, 9568, 9984, 10452, 11008, 11524, 11868, 12328, 12857, 12864, 13416, 13936, 14352, 15824, 16512, 17152, 17286, 17664, 17888, 18492, 19136, 20033, 20904, 23048, 23736, 24656, 25714, 25728, 26832, 27872, 28704, 31648, 33024, 34572, 35776, 36984, 37453, 38272, 38571, 40066, 41808, 46096, 47472, 49312, 51428, 51456, 53664, 55744, 57408, 60099, 63296, 66263, 69144, 71552, 73968, 74906, 76544, 77142, 80132, 83616, 92192, 94944, 98624, 102856, 107328, 111488, 112359, 114816, 120198, 126592, 132526, 138288, 143104, 147936, 149812, 154284, 160264, 167232, 184384, 189888, 197248, 198789, 205712, 214656, 222976, 224718, 229632, 240396, 253184, 265052, 276576, 295872, 299624, 308568, 320528, 334464, 368768, 379776, 394496, 397578, 411424, 429312, 449436, 480792, 530104, 553152, 591744, 599248, 617136, 641056, 668928, 737536, 759552, 795156, 822848, 861419, 898872, 961584, 1060208, 1106304, 1183488, 1198496, 1234272, 1282112, 1590312, 1645696, 1722838, 1797744, 1923168, 2120416, 2212608, 2396992, 2468544, 2564224, 2584257, 3180624, 3291392, 3445676, 3595488, 3846336, 4240832, 4793984, 4937088, 5128448, 5168514, 6361248, 6891352, 7190976, 7692672, 8481664, 9587968, 9874176, 10337028, 12722496, 13782704, 14381952, 15385344, 16963328, 20674056, 25444992, 27565408, 28763904, 41348112, 50889984, 55130816, 82696224, 110261632, 165392448, 220523264, 330784896, 661569792]

約数ペア:

[(1, 661569792), (2, 330784896), (3, 220523264), (4, 165392448), (6, 110261632), (8, 82696224), (12, 55130816), (13, 50889984), (16, 41348112), (23, 28763904), (24, 27565408), (26, 25444992), (32, 20674056), (39, 16963328), (43, 15385344), (46, 14381952), (48, 13782704), (52, 12722496), (64, 10337028), (67, 9874176), (69, 9587968), (78, 8481664), (86, 7692672), (92, 7190976), (96, 6891352), (104, 6361248), (128, 5168514), (129, 5128448), (134, 4937088), (138, 4793984), (156, 4240832), (172, 3846336), (184, 3595488), (192, 3445676), (201, 3291392), (208, 3180624), (256, 2584257), (258, 2564224), (268, 2468544), (276, 2396992), (299, 2212608), (312, 2120416), (344, 1923168), (368, 1797744), (384, 1722838), (402, 1645696), (416, 1590312), (516, 1282112), (536, 1234272), (552, 1198496), (559, 1183488), (598, 1106304), (624, 1060208), (688, 961584), (736, 898872), (768, 861419), (804, 822848), (832, 795156), (871, 759552), (897, 737536), (989, 668928), (1032, 641056), (1072, 617136), (1104, 599248), (1118, 591744), (1196, 553152), (1248, 530104), (1376, 480792), (1472, 449436), (1541, 429312), (1608, 411424), (1664, 397578), (1677, 394496), (1742, 379776), (1794, 368768), (1978, 334464), (2064, 320528), (2144, 308568), (2208, 299624), (2236, 295872), (2392, 276576), (2496, 265052), (2613, 253184), (2752, 240396), (2881, 229632), (2944, 224718), (2967, 222976), (3082, 214656), (3216, 205712), (3328, 198789), (3354, 197248), (3484, 189888), (3588, 184384), (3956, 167232), (4128, 160264), (4288, 154284), (4416, 149812), (4472, 147936), (4623, 143104), (4784, 138288), (4992, 132526), (5226, 126592), (5504, 120198), (5762, 114816), (5888, 112359), (5934, 111488), (6164, 107328), (6432, 102856), (6708, 98624), (6968, 94944), (7176, 92192), (7912, 83616), (8256, 80132), (8576, 77142), (8643, 76544), (8832, 74906), (8944, 73968), (9246, 71552), (9568, 69144), (9984, 66263), (10452, 63296), (11008, 60099), (11524, 57408), (11868, 55744), (12328, 53664), (12857, 51456), (12864, 51428), (13416, 49312), (13936, 47472), (14352, 46096), (15824, 41808), (16512, 40066), (17152, 38571), (17286, 38272), (17664, 37453), (17888, 36984), (18492, 35776), (19136, 34572), (20033, 33024), (20904, 31648), (23048, 28704), (23736, 27872), (24656, 26832), (25714, 25728)]