280297728

素因数分解:

$2^8\times 3^2\times {\mathrm{19}}^2\times {\mathrm{337}}^1$

素因数の和:397

約数の個数: 162

約数和(自身を含む): 855472254

約数和(自身を除く): 575174526

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 128, 144, 152, 171, 192, 228, 256, 288, 304, 337, 342, 361, 384, 456, 576, 608, 674, 684, 722, 768, 912, 1011, 1083, 1152, 1216, 1348, 1368, 1444, 1824, 2022, 2166, 2304, 2432, 2696, 2736, 2888, 3033, 3249, 3648, 4044, 4332, 4864, 5392, 5472, 5776, 6066, 6403, 6498, 7296, 8088, 8664, 10784, 10944, 11552, 12132, 12806, 12996, 14592, 16176, 17328, 19209, 21568, 21888, 23104, 24264, 25612, 25992, 32352, 34656, 38418, 43136, 43776, 46208, 48528, 51224, 51984, 57627, 64704, 69312, 76836, 86272, 92416, 97056, 102448, 103968, 115254, 121657, 129408, 138624, 153672, 194112, 204896, 207936, 230508, 243314, 258816, 277248, 307344, 364971, 388224, 409792, 415872, 461016, 486628, 614688, 729942, 776448, 819584, 831744, 922032, 973256, 1094913, 1229376, 1459884, 1639168, 1844064, 1946512, 2189826, 2458752, 2919768, 3688128, 3893024, 4379652, 4917504, 5839536, 7376256, 7786048, 8759304, 11679072, 14752512, 15572096, 17518608, 23358144, 31144192, 35037216, 46716288, 70074432, 93432576, 140148864, 280297728]

約数ペア:

[(1, 280297728), (2, 140148864), (3, 93432576), (4, 70074432), (6, 46716288), (8, 35037216), (9, 31144192), (12, 23358144), (16, 17518608), (18, 15572096), (19, 14752512), (24, 11679072), (32, 8759304), (36, 7786048), (38, 7376256), (48, 5839536), (57, 4917504), (64, 4379652), (72, 3893024), (76, 3688128), (96, 2919768), (114, 2458752), (128, 2189826), (144, 1946512), (152, 1844064), (171, 1639168), (192, 1459884), (228, 1229376), (256, 1094913), (288, 973256), (304, 922032), (337, 831744), (342, 819584), (361, 776448), (384, 729942), (456, 614688), (576, 486628), (608, 461016), (674, 415872), (684, 409792), (722, 388224), (768, 364971), (912, 307344), (1011, 277248), (1083, 258816), (1152, 243314), (1216, 230508), (1348, 207936), (1368, 204896), (1444, 194112), (1824, 153672), (2022, 138624), (2166, 129408), (2304, 121657), (2432, 115254), (2696, 103968), (2736, 102448), (2888, 97056), (3033, 92416), (3249, 86272), (3648, 76836), (4044, 69312), (4332, 64704), (4864, 57627), (5392, 51984), (5472, 51224), (5776, 48528), (6066, 46208), (6403, 43776), (6498, 43136), (7296, 38418), (8088, 34656), (8664, 32352), (10784, 25992), (10944, 25612), (11552, 24264), (12132, 23104), (12806, 21888), (12996, 21568), (14592, 19209), (16176, 17328)]