68725840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{911}}^1$

素因数の和:988

約数の個数: 80

約数和(自身を含む): 170989056

約数和(自身を除く): 102263216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 41, 46, 80, 82, 92, 115, 164, 184, 205, 230, 328, 368, 410, 460, 656, 820, 911, 920, 943, 1640, 1822, 1840, 1886, 3280, 3644, 3772, 4555, 4715, 7288, 7544, 9110, 9430, 14576, 15088, 18220, 18860, 20953, 36440, 37351, 37720, 41906, 72880, 74702, 75440, 83812, 104765, 149404, 167624, 186755, 209530, 298808, 335248, 373510, 419060, 597616, 747020, 838120, 859073, 1494040, 1676240, 1718146, 2988080, 3436292, 4295365, 6872584, 8590730, 13745168, 17181460, 34362920, 68725840]

約数ペア:

[(1, 68725840), (2, 34362920), (4, 17181460), (5, 13745168), (8, 8590730), (10, 6872584), (16, 4295365), (20, 3436292), (23, 2988080), (40, 1718146), (41, 1676240), (46, 1494040), (80, 859073), (82, 838120), (92, 747020), (115, 597616), (164, 419060), (184, 373510), (205, 335248), (230, 298808), (328, 209530), (368, 186755), (410, 167624), (460, 149404), (656, 104765), (820, 83812), (911, 75440), (920, 74702), (943, 72880), (1640, 41906), (1822, 37720), (1840, 37351), (1886, 36440), (3280, 20953), (3644, 18860), (3772, 18220), (4555, 15088), (4715, 14576), (7288, 9430), (7544, 9110)]