261280512

素因数分解:

$2^8\times 3^3\times {\mathrm{103}}^1\times {\mathrm{367}}^1$

素因数の和:495

約数の個数: 144

約数和(自身を含む): 782279680

約数和(自身を除く): 520999168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 103, 108, 128, 144, 192, 206, 216, 256, 288, 309, 367, 384, 412, 432, 576, 618, 734, 768, 824, 864, 927, 1101, 1152, 1236, 1468, 1648, 1728, 1854, 2202, 2304, 2472, 2781, 2936, 3296, 3303, 3456, 3708, 4404, 4944, 5562, 5872, 6592, 6606, 6912, 7416, 8808, 9888, 9909, 11124, 11744, 13184, 13212, 14832, 17616, 19776, 19818, 22248, 23488, 26368, 26424, 29664, 35232, 37801, 39552, 39636, 44496, 46976, 52848, 59328, 70464, 75602, 79104, 79272, 88992, 93952, 105696, 113403, 118656, 140928, 151204, 158544, 177984, 211392, 226806, 237312, 281856, 302408, 317088, 340209, 355968, 422784, 453612, 604816, 634176, 680418, 711936, 845568, 907224, 1020627, 1209632, 1268352, 1360836, 1814448, 2041254, 2419264, 2536704, 2721672, 3628896, 4082508, 4838528, 5443344, 7257792, 8165016, 9677056, 10886688, 14515584, 16330032, 21773376, 29031168, 32660064, 43546752, 65320128, 87093504, 130640256, 261280512]

約数ペア:

[(1, 261280512), (2, 130640256), (3, 87093504), (4, 65320128), (6, 43546752), (8, 32660064), (9, 29031168), (12, 21773376), (16, 16330032), (18, 14515584), (24, 10886688), (27, 9677056), (32, 8165016), (36, 7257792), (48, 5443344), (54, 4838528), (64, 4082508), (72, 3628896), (96, 2721672), (103, 2536704), (108, 2419264), (128, 2041254), (144, 1814448), (192, 1360836), (206, 1268352), (216, 1209632), (256, 1020627), (288, 907224), (309, 845568), (367, 711936), (384, 680418), (412, 634176), (432, 604816), (576, 453612), (618, 422784), (734, 355968), (768, 340209), (824, 317088), (864, 302408), (927, 281856), (1101, 237312), (1152, 226806), (1236, 211392), (1468, 177984), (1648, 158544), (1728, 151204), (1854, 140928), (2202, 118656), (2304, 113403), (2472, 105696), (2781, 93952), (2936, 88992), (3296, 79272), (3303, 79104), (3456, 75602), (3708, 70464), (4404, 59328), (4944, 52848), (5562, 46976), (5872, 44496), (6592, 39636), (6606, 39552), (6912, 37801), (7416, 35232), (8808, 29664), (9888, 26424), (9909, 26368), (11124, 23488), (11744, 22248), (13184, 19818), (13212, 19776), (14832, 17616)]