128563968

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 375441920

約数和(自身を除く): 246877952

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 79, 96, 104, 128, 156, 158, 163, 192, 208, 237, 256, 312, 316, 326, 384, 416, 474, 489, 624, 632, 652, 768, 832, 948, 978, 1027, 1248, 1264, 1304, 1664, 1896, 1956, 2054, 2119, 2496, 2528, 2608, 3081, 3328, 3792, 3912, 4108, 4238, 4992, 5056, 5216, 6162, 6357, 7584, 7824, 8216, 8476, 9984, 10112, 10432, 12324, 12714, 12877, 15168, 15648, 16432, 16952, 20224, 20864, 24648, 25428, 25754, 30336, 31296, 32864, 33904, 38631, 41728, 49296, 50856, 51508, 60672, 62592, 65728, 67808, 77262, 98592, 101712, 103016, 125184, 131456, 135616, 154524, 167401, 197184, 203424, 206032, 262912, 271232, 309048, 334802, 394368, 406848, 412064, 502203, 542464, 618096, 669604, 788736, 813696, 824128, 1004406, 1236192, 1339208, 1627392, 1648256, 2008812, 2472384, 2678416, 3296512, 4017624, 4944768, 5356832, 8035248, 9889536, 10713664, 16070496, 21427328, 32140992, 42854656, 64281984, 128563968]

約数ペア:

[(1, 128563968), (2, 64281984), (3, 42854656), (4, 32140992), (6, 21427328), (8, 16070496), (12, 10713664), (13, 9889536), (16, 8035248), (24, 5356832), (26, 4944768), (32, 4017624), (39, 3296512), (48, 2678416), (52, 2472384), (64, 2008812), (78, 1648256), (79, 1627392), (96, 1339208), (104, 1236192), (128, 1004406), (156, 824128), (158, 813696), (163, 788736), (192, 669604), (208, 618096), (237, 542464), (256, 502203), (312, 412064), (316, 406848), (326, 394368), (384, 334802), (416, 309048), (474, 271232), (489, 262912), (624, 206032), (632, 203424), (652, 197184), (768, 167401), (832, 154524), (948, 135616), (978, 131456), (1027, 125184), (1248, 103016), (1264, 101712), (1304, 98592), (1664, 77262), (1896, 67808), (1956, 65728), (2054, 62592), (2119, 60672), (2496, 51508), (2528, 50856), (2608, 49296), (3081, 41728), (3328, 38631), (3792, 33904), (3912, 32864), (4108, 31296), (4238, 30336), (4992, 25754), (5056, 25428), (5216, 24648), (6162, 20864), (6357, 20224), (7584, 16952), (7824, 16432), (8216, 15648), (8476, 15168), (9984, 12877), (10112, 12714), (10432, 12324)]