80685440

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 214665120

約数和(自身を除く): 133979680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 73, 80, 88, 110, 128, 146, 157, 160, 176, 220, 292, 314, 320, 352, 365, 440, 584, 628, 640, 704, 730, 785, 803, 880, 1168, 1256, 1408, 1460, 1570, 1606, 1727, 1760, 2336, 2512, 2920, 3140, 3212, 3454, 3520, 4015, 4672, 5024, 5840, 6280, 6424, 6908, 7040, 8030, 8635, 9344, 10048, 11461, 11680, 12560, 12848, 13816, 16060, 17270, 20096, 22922, 23360, 25120, 25696, 27632, 32120, 34540, 45844, 46720, 50240, 51392, 55264, 57305, 64240, 69080, 91688, 100480, 102784, 110528, 114610, 126071, 128480, 138160, 183376, 221056, 229220, 252142, 256960, 276320, 366752, 458440, 504284, 513920, 552640, 630355, 733504, 916880, 1008568, 1105280, 1260710, 1467008, 1833760, 2017136, 2521420, 3667520, 4034272, 5042840, 7335040, 8068544, 10085680, 16137088, 20171360, 40342720, 80685440]

約数ペア:

[(1, 80685440), (2, 40342720), (4, 20171360), (5, 16137088), (8, 10085680), (10, 8068544), (11, 7335040), (16, 5042840), (20, 4034272), (22, 3667520), (32, 2521420), (40, 2017136), (44, 1833760), (55, 1467008), (64, 1260710), (73, 1105280), (80, 1008568), (88, 916880), (110, 733504), (128, 630355), (146, 552640), (157, 513920), (160, 504284), (176, 458440), (220, 366752), (292, 276320), (314, 256960), (320, 252142), (352, 229220), (365, 221056), (440, 183376), (584, 138160), (628, 128480), (640, 126071), (704, 114610), (730, 110528), (785, 102784), (803, 100480), (880, 91688), (1168, 69080), (1256, 64240), (1408, 57305), (1460, 55264), (1570, 51392), (1606, 50240), (1727, 46720), (1760, 45844), (2336, 34540), (2512, 32120), (2920, 27632), (3140, 25696), (3212, 25120), (3454, 23360), (3520, 22922), (4015, 20096), (4672, 17270), (5024, 16060), (5840, 13816), (6280, 12848), (6424, 12560), (6908, 11680), (7040, 11461), (8030, 10048), (8635, 9344)]