261215712

素因数分解:

$2^5\times 3^3\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:230

約数の個数: 192

約数和(自身を含む): 798336000

約数和(自身を除く): 537120288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 72, 79, 86, 89, 96, 108, 129, 144, 158, 172, 178, 216, 237, 258, 267, 288, 316, 344, 356, 387, 432, 474, 516, 534, 632, 688, 711, 712, 774, 801, 864, 948, 1032, 1068, 1161, 1264, 1376, 1422, 1424, 1548, 1602, 1896, 2064, 2133, 2136, 2322, 2403, 2528, 2844, 2848, 3096, 3204, 3397, 3792, 3827, 4128, 4266, 4272, 4644, 4806, 5688, 6192, 6408, 6794, 7031, 7584, 7654, 8532, 8544, 9288, 9612, 10191, 11376, 11481, 12384, 12816, 13588, 14062, 15308, 17064, 18576, 19224, 20382, 21093, 22752, 22962, 25632, 27176, 28124, 30573, 30616, 34128, 34443, 37152, 38448, 40764, 42186, 45924, 54352, 56248, 61146, 61232, 63279, 68256, 68886, 76896, 81528, 84372, 91719, 91848, 103329, 108704, 112496, 122292, 122464, 126558, 137772, 163056, 168744, 183438, 183696, 189837, 206658, 224992, 244584, 253116, 275544, 302333, 326112, 337488, 366876, 367392, 379674, 413316, 489168, 506232, 551088, 604666, 674976, 733752, 759348, 826632, 906999, 978336, 1012464, 1102176, 1209332, 1467504, 1518696, 1653264, 1813998, 2024928, 2418664, 2720997, 2935008, 3037392, 3306528, 3627996, 4837328, 5441994, 6074784, 7255992, 8162991, 9674656, 10883988, 14511984, 16325982, 21767976, 29023968, 32651964, 43535952, 65303928, 87071904, 130607856, 261215712]

約数ペア:

[(1, 261215712), (2, 130607856), (3, 87071904), (4, 65303928), (6, 43535952), (8, 32651964), (9, 29023968), (12, 21767976), (16, 16325982), (18, 14511984), (24, 10883988), (27, 9674656), (32, 8162991), (36, 7255992), (43, 6074784), (48, 5441994), (54, 4837328), (72, 3627996), (79, 3306528), (86, 3037392), (89, 2935008), (96, 2720997), (108, 2418664), (129, 2024928), (144, 1813998), (158, 1653264), (172, 1518696), (178, 1467504), (216, 1209332), (237, 1102176), (258, 1012464), (267, 978336), (288, 906999), (316, 826632), (344, 759348), (356, 733752), (387, 674976), (432, 604666), (474, 551088), (516, 506232), (534, 489168), (632, 413316), (688, 379674), (711, 367392), (712, 366876), (774, 337488), (801, 326112), (864, 302333), (948, 275544), (1032, 253116), (1068, 244584), (1161, 224992), (1264, 206658), (1376, 189837), (1422, 183696), (1424, 183438), (1548, 168744), (1602, 163056), (1896, 137772), (2064, 126558), (2133, 122464), (2136, 122292), (2322, 112496), (2403, 108704), (2528, 103329), (2844, 91848), (2848, 91719), (3096, 84372), (3204, 81528), (3397, 76896), (3792, 68886), (3827, 68256), (4128, 63279), (4266, 61232), (4272, 61146), (4644, 56248), (4806, 54352), (5688, 45924), (6192, 42186), (6408, 40764), (6794, 38448), (7031, 37152), (7584, 34443), (7654, 34128), (8532, 30616), (8544, 30573), (9288, 28124), (9612, 27176), (10191, 25632), (11376, 22962), (11481, 22752), (12384, 21093), (12816, 20382), (13588, 19224), (14062, 18576), (15308, 17064)]