128745984

素因数分解:

$2^9\times 3^1\times {\mathrm{79}}^1\times {\mathrm{1061}}^1$

素因数の和:1161

約数の個数: 80

約数和(自身を含む): 347656320

約数和(自身を除く): 218910336

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 79, 96, 128, 158, 192, 237, 256, 316, 384, 474, 512, 632, 768, 948, 1061, 1264, 1536, 1896, 2122, 2528, 3183, 3792, 4244, 5056, 6366, 7584, 8488, 10112, 12732, 15168, 16976, 20224, 25464, 30336, 33952, 40448, 50928, 60672, 67904, 83819, 101856, 121344, 135808, 167638, 203712, 251457, 271616, 335276, 407424, 502914, 543232, 670552, 814848, 1005828, 1341104, 1629696, 2011656, 2682208, 4023312, 5364416, 8046624, 10728832, 16093248, 21457664, 32186496, 42915328, 64372992, 128745984]

約数ペア:

[(1, 128745984), (2, 64372992), (3, 42915328), (4, 32186496), (6, 21457664), (8, 16093248), (12, 10728832), (16, 8046624), (24, 5364416), (32, 4023312), (48, 2682208), (64, 2011656), (79, 1629696), (96, 1341104), (128, 1005828), (158, 814848), (192, 670552), (237, 543232), (256, 502914), (316, 407424), (384, 335276), (474, 271616), (512, 251457), (632, 203712), (768, 167638), (948, 135808), (1061, 121344), (1264, 101856), (1536, 83819), (1896, 67904), (2122, 60672), (2528, 50928), (3183, 40448), (3792, 33952), (4244, 30336), (5056, 25464), (6366, 20224), (7584, 16976), (8488, 15168), (10112, 12732)]