278154144

素因数分解:

$2^5\times 3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:371

約数の個数: 144

約数和(自身を含む): 818947584

約数和(自身を除く): 540793440

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 71, 72, 96, 122, 142, 144, 183, 213, 223, 244, 284, 288, 366, 426, 446, 488, 549, 568, 639, 669, 732, 852, 892, 976, 1098, 1136, 1278, 1338, 1464, 1704, 1784, 1952, 2007, 2196, 2272, 2556, 2676, 2928, 3408, 3568, 4014, 4331, 4392, 5112, 5352, 5856, 6816, 7136, 8028, 8662, 8784, 10224, 10704, 12993, 13603, 15833, 16056, 17324, 17568, 20448, 21408, 25986, 27206, 31666, 32112, 34648, 38979, 40809, 47499, 51972, 54412, 63332, 64224, 69296, 77958, 81618, 94998, 103944, 108824, 122427, 126664, 138592, 142497, 155916, 163236, 189996, 207888, 217648, 244854, 253328, 284994, 311832, 326472, 379992, 415776, 435296, 489708, 506656, 569988, 623664, 652944, 759984, 965813, 979416, 1139976, 1247328, 1305888, 1519968, 1931626, 1958832, 2279952, 2897439, 3863252, 3917664, 4559904, 5794878, 7726504, 8692317, 11589756, 15453008, 17384634, 23179512, 30906016, 34769268, 46359024, 69538536, 92718048, 139077072, 278154144]

約数ペア:

[(1, 278154144), (2, 139077072), (3, 92718048), (4, 69538536), (6, 46359024), (8, 34769268), (9, 30906016), (12, 23179512), (16, 17384634), (18, 15453008), (24, 11589756), (32, 8692317), (36, 7726504), (48, 5794878), (61, 4559904), (71, 3917664), (72, 3863252), (96, 2897439), (122, 2279952), (142, 1958832), (144, 1931626), (183, 1519968), (213, 1305888), (223, 1247328), (244, 1139976), (284, 979416), (288, 965813), (366, 759984), (426, 652944), (446, 623664), (488, 569988), (549, 506656), (568, 489708), (639, 435296), (669, 415776), (732, 379992), (852, 326472), (892, 311832), (976, 284994), (1098, 253328), (1136, 244854), (1278, 217648), (1338, 207888), (1464, 189996), (1704, 163236), (1784, 155916), (1952, 142497), (2007, 138592), (2196, 126664), (2272, 122427), (2556, 108824), (2676, 103944), (2928, 94998), (3408, 81618), (3568, 77958), (4014, 69296), (4331, 64224), (4392, 63332), (5112, 54412), (5352, 51972), (5856, 47499), (6816, 40809), (7136, 38979), (8028, 34648), (8662, 32112), (8784, 31666), (10224, 27206), (10704, 25986), (12993, 21408), (13603, 20448), (15833, 17568), (16056, 17324)]