280932416

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:212

約数の個数: 112

約数和(自身を含む): 611550720

約数和(自身を除く): 330618304

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 43, 62, 64, 74, 86, 89, 124, 148, 172, 178, 248, 296, 344, 356, 496, 592, 688, 712, 992, 1147, 1184, 1333, 1376, 1424, 1591, 1984, 2294, 2368, 2666, 2752, 2759, 2848, 3182, 3293, 3827, 4588, 5332, 5518, 5696, 6364, 6586, 7654, 9176, 10664, 11036, 12728, 13172, 15308, 18352, 21328, 22072, 25456, 26344, 30616, 36704, 42656, 44144, 49321, 50912, 52688, 61232, 73408, 85312, 88288, 98642, 101824, 102083, 105376, 118637, 122464, 141599, 176576, 197284, 204166, 210752, 237274, 244928, 283198, 394568, 408332, 474548, 566396, 789136, 816664, 949096, 1132792, 1578272, 1633328, 1898192, 2265584, 3156544, 3266656, 3796384, 4389569, 4531168, 6533312, 7592768, 8779138, 9062336, 17558276, 35116552, 70233104, 140466208, 280932416]

約数ペア:

[(1, 280932416), (2, 140466208), (4, 70233104), (8, 35116552), (16, 17558276), (31, 9062336), (32, 8779138), (37, 7592768), (43, 6533312), (62, 4531168), (64, 4389569), (74, 3796384), (86, 3266656), (89, 3156544), (124, 2265584), (148, 1898192), (172, 1633328), (178, 1578272), (248, 1132792), (296, 949096), (344, 816664), (356, 789136), (496, 566396), (592, 474548), (688, 408332), (712, 394568), (992, 283198), (1147, 244928), (1184, 237274), (1333, 210752), (1376, 204166), (1424, 197284), (1591, 176576), (1984, 141599), (2294, 122464), (2368, 118637), (2666, 105376), (2752, 102083), (2759, 101824), (2848, 98642), (3182, 88288), (3293, 85312), (3827, 73408), (4588, 61232), (5332, 52688), (5518, 50912), (5696, 49321), (6364, 44144), (6586, 42656), (7654, 36704), (9176, 30616), (10664, 26344), (11036, 25456), (12728, 22072), (13172, 21328), (15308, 18352)]