261711744

素因数分解:

$2^7\times 3^1\times 7^3\times {\mathrm{1987}}^1$

素因数の和:2025

約数の個数: 128

約数和(自身を含む): 811104000

約数和(自身を除く): 549392256

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 294, 336, 343, 384, 392, 448, 588, 672, 686, 784, 896, 1029, 1176, 1344, 1372, 1568, 1987, 2058, 2352, 2688, 2744, 3136, 3974, 4116, 4704, 5488, 5961, 6272, 7948, 8232, 9408, 10976, 11922, 13909, 15896, 16464, 18816, 21952, 23844, 27818, 31792, 32928, 41727, 43904, 47688, 55636, 63584, 65856, 83454, 95376, 97363, 111272, 127168, 131712, 166908, 190752, 194726, 222544, 254336, 292089, 333816, 381504, 389452, 445088, 584178, 667632, 681541, 763008, 778904, 890176, 1168356, 1335264, 1363082, 1557808, 1780352, 2044623, 2336712, 2670528, 2726164, 3115616, 4089246, 4673424, 5341056, 5452328, 6231232, 8178492, 9346848, 10904656, 12462464, 16356984, 18693696, 21809312, 32713968, 37387392, 43618624, 65427936, 87237248, 130855872, 261711744]

約数ペア:

[(1, 261711744), (2, 130855872), (3, 87237248), (4, 65427936), (6, 43618624), (7, 37387392), (8, 32713968), (12, 21809312), (14, 18693696), (16, 16356984), (21, 12462464), (24, 10904656), (28, 9346848), (32, 8178492), (42, 6231232), (48, 5452328), (49, 5341056), (56, 4673424), (64, 4089246), (84, 3115616), (96, 2726164), (98, 2670528), (112, 2336712), (128, 2044623), (147, 1780352), (168, 1557808), (192, 1363082), (196, 1335264), (224, 1168356), (294, 890176), (336, 778904), (343, 763008), (384, 681541), (392, 667632), (448, 584178), (588, 445088), (672, 389452), (686, 381504), (784, 333816), (896, 292089), (1029, 254336), (1176, 222544), (1344, 194726), (1372, 190752), (1568, 166908), (1987, 131712), (2058, 127168), (2352, 111272), (2688, 97363), (2744, 95376), (3136, 83454), (3974, 65856), (4116, 63584), (4704, 55636), (5488, 47688), (5961, 43904), (6272, 41727), (7948, 32928), (8232, 31792), (9408, 27818), (10976, 23844), (11922, 21952), (13909, 18816), (15896, 16464)]