281163264

素因数分解:

$2^9\times 3^1\times {\mathrm{163}}^1\times {\mathrm{1123}}^1$

素因数の和:1307

約数の個数: 80

約数和(自身を含む): 754302912

約数和(自身を除く): 473139648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 163, 192, 256, 326, 384, 489, 512, 652, 768, 978, 1123, 1304, 1536, 1956, 2246, 2608, 3369, 3912, 4492, 5216, 6738, 7824, 8984, 10432, 13476, 15648, 17968, 20864, 26952, 31296, 35936, 41728, 53904, 62592, 71872, 83456, 107808, 125184, 143744, 183049, 215616, 250368, 287488, 366098, 431232, 549147, 574976, 732196, 862464, 1098294, 1464392, 1724928, 2196588, 2928784, 4393176, 5857568, 8786352, 11715136, 17572704, 23430272, 35145408, 46860544, 70290816, 93721088, 140581632, 281163264]

約数ペア:

[(1, 281163264), (2, 140581632), (3, 93721088), (4, 70290816), (6, 46860544), (8, 35145408), (12, 23430272), (16, 17572704), (24, 11715136), (32, 8786352), (48, 5857568), (64, 4393176), (96, 2928784), (128, 2196588), (163, 1724928), (192, 1464392), (256, 1098294), (326, 862464), (384, 732196), (489, 574976), (512, 549147), (652, 431232), (768, 366098), (978, 287488), (1123, 250368), (1304, 215616), (1536, 183049), (1956, 143744), (2246, 125184), (2608, 107808), (3369, 83456), (3912, 71872), (4492, 62592), (5216, 53904), (6738, 41728), (7824, 35936), (8984, 31296), (10432, 26952), (13476, 20864), (15648, 17968)]