261213768

素因数分解:

$2^3\times 3^3\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:376

約数の個数: 128

約数和(自身を含む): 748800000

約数和(自身を除く): 487586232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 59, 72, 103, 108, 118, 177, 199, 206, 216, 236, 309, 354, 398, 412, 472, 531, 597, 618, 708, 796, 824, 927, 1062, 1194, 1236, 1416, 1592, 1593, 1791, 1854, 2124, 2388, 2472, 2781, 3186, 3582, 3708, 4248, 4776, 5373, 5562, 6077, 6372, 7164, 7416, 10746, 11124, 11741, 12154, 12744, 14328, 18231, 20497, 21492, 22248, 23482, 24308, 35223, 36462, 40994, 42984, 46964, 48616, 54693, 61491, 70446, 72924, 81988, 93928, 105669, 109386, 122982, 140892, 145848, 163976, 164079, 184473, 211338, 218772, 245964, 281784, 317007, 328158, 368946, 422676, 437544, 491928, 553419, 634014, 656316, 737892, 845352, 1106838, 1209323, 1268028, 1312632, 1475784, 2213676, 2418646, 2536056, 3627969, 4427352, 4837292, 7255938, 9674584, 10883907, 14511876, 21767814, 29023752, 32651721, 43535628, 65303442, 87071256, 130606884, 261213768]

約数ペア:

[(1, 261213768), (2, 130606884), (3, 87071256), (4, 65303442), (6, 43535628), (8, 32651721), (9, 29023752), (12, 21767814), (18, 14511876), (24, 10883907), (27, 9674584), (36, 7255938), (54, 4837292), (59, 4427352), (72, 3627969), (103, 2536056), (108, 2418646), (118, 2213676), (177, 1475784), (199, 1312632), (206, 1268028), (216, 1209323), (236, 1106838), (309, 845352), (354, 737892), (398, 656316), (412, 634014), (472, 553419), (531, 491928), (597, 437544), (618, 422676), (708, 368946), (796, 328158), (824, 317007), (927, 281784), (1062, 245964), (1194, 218772), (1236, 211338), (1416, 184473), (1592, 164079), (1593, 163976), (1791, 145848), (1854, 140892), (2124, 122982), (2388, 109386), (2472, 105669), (2781, 93928), (3186, 81988), (3582, 72924), (3708, 70446), (4248, 61491), (4776, 54693), (5373, 48616), (5562, 46964), (6077, 42984), (6372, 40994), (7164, 36462), (7416, 35223), (10746, 24308), (11124, 23482), (11741, 22248), (12154, 21492), (12744, 20497), (14328, 18231)]