1285321728

素因数分解:

$2^{10}\times 3^1\times {\mathrm{19}}^3\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 176

約数和(自身を含む): 3675429440

約数和(自身を除く): 2390107712

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 61, 64, 76, 96, 114, 122, 128, 152, 183, 192, 228, 244, 256, 304, 361, 366, 384, 456, 488, 512, 608, 722, 732, 768, 912, 976, 1024, 1083, 1159, 1216, 1444, 1464, 1536, 1824, 1952, 2166, 2318, 2432, 2888, 2928, 3072, 3477, 3648, 3904, 4332, 4636, 4864, 5776, 5856, 6859, 6954, 7296, 7808, 8664, 9272, 9728, 11552, 11712, 13718, 13908, 14592, 15616, 17328, 18544, 19456, 20577, 22021, 23104, 23424, 27436, 27816, 29184, 31232, 34656, 37088, 41154, 44042, 46208, 46848, 54872, 55632, 58368, 62464, 66063, 69312, 74176, 82308, 88084, 92416, 93696, 109744, 111264, 132126, 138624, 148352, 164616, 176168, 184832, 187392, 219488, 222528, 264252, 277248, 296704, 329232, 352336, 369664, 418399, 438976, 445056, 528504, 554496, 593408, 658464, 704672, 836798, 877952, 890112, 1057008, 1108992, 1186816, 1255197, 1316928, 1409344, 1673596, 1755904, 1780224, 2114016, 2510394, 2633856, 2818688, 3347192, 3511808, 3560448, 4228032, 5020788, 5267712, 5637376, 6694384, 7023616, 8456064, 10041576, 10535424, 11274752, 13388768, 16912128, 20083152, 21070848, 22549504, 26777536, 33824256, 40166304, 53555072, 67648512, 80332608, 107110144, 160665216, 214220288, 321330432, 428440576, 642660864, 1285321728]

約数ペア:

[(1, 1285321728), (2, 642660864), (3, 428440576), (4, 321330432), (6, 214220288), (8, 160665216), (12, 107110144), (16, 80332608), (19, 67648512), (24, 53555072), (32, 40166304), (38, 33824256), (48, 26777536), (57, 22549504), (61, 21070848), (64, 20083152), (76, 16912128), (96, 13388768), (114, 11274752), (122, 10535424), (128, 10041576), (152, 8456064), (183, 7023616), (192, 6694384), (228, 5637376), (244, 5267712), (256, 5020788), (304, 4228032), (361, 3560448), (366, 3511808), (384, 3347192), (456, 2818688), (488, 2633856), (512, 2510394), (608, 2114016), (722, 1780224), (732, 1755904), (768, 1673596), (912, 1409344), (976, 1316928), (1024, 1255197), (1083, 1186816), (1159, 1108992), (1216, 1057008), (1444, 890112), (1464, 877952), (1536, 836798), (1824, 704672), (1952, 658464), (2166, 593408), (2318, 554496), (2432, 528504), (2888, 445056), (2928, 438976), (3072, 418399), (3477, 369664), (3648, 352336), (3904, 329232), (4332, 296704), (4636, 277248), (4864, 264252), (5776, 222528), (5856, 219488), (6859, 187392), (6954, 184832), (7296, 176168), (7808, 164616), (8664, 148352), (9272, 138624), (9728, 132126), (11552, 111264), (11712, 109744), (13718, 93696), (13908, 92416), (14592, 88084), (15616, 82308), (17328, 74176), (18544, 69312), (19456, 66063), (20577, 62464), (22021, 58368), (23104, 55632), (23424, 54872), (27436, 46848), (27816, 46208), (29184, 44042), (31232, 41154), (34656, 37088)]