156640315520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18826961}}^1$

素因数の和:18826993

約数の個数: 64

約数和(自身を含む): 403273526040

約数和(自身を除く): 246633210520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 18826961, 37653922, 75307844, 94134805, 150615688, 188269610, 244750493, 301231376, 376539220, 489500986, 602462752, 753078440, 979001972, 1204925504, 1223752465, 1506156880, 1958003944, 2409851008, 2447504930, 3012313760, 3916007888, 4895009860, 6024627520, 7832015776, 9790019720, 12049255040, 15664031552, 19580039440, 31328063104, 39160078880, 78320157760, 156640315520]

約数ペア:

[(1, 156640315520), (2, 78320157760), (4, 39160078880), (5, 31328063104), (8, 19580039440), (10, 15664031552), (13, 12049255040), (16, 9790019720), (20, 7832015776), (26, 6024627520), (32, 4895009860), (40, 3916007888), (52, 3012313760), (64, 2447504930), (65, 2409851008), (80, 1958003944), (104, 1506156880), (128, 1223752465), (130, 1204925504), (160, 979001972), (208, 753078440), (260, 602462752), (320, 489500986), (416, 376539220), (520, 301231376), (640, 244750493), (832, 188269610), (1040, 150615688), (1664, 94134805), (2080, 75307844), (4160, 37653922), (8320, 18826961)]