71518040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:273

約数の個数: 128

約数和(自身を含む): 189112320

約数和(自身を除く): 117594280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 37, 40, 44, 46, 55, 74, 88, 92, 110, 115, 148, 184, 185, 191, 220, 230, 253, 296, 370, 382, 407, 440, 460, 506, 740, 764, 814, 851, 920, 955, 1012, 1265, 1480, 1528, 1628, 1702, 1910, 2024, 2035, 2101, 2530, 3256, 3404, 3820, 4070, 4202, 4255, 4393, 5060, 6808, 7067, 7640, 8140, 8404, 8510, 8786, 9361, 10120, 10505, 14134, 16280, 16808, 17020, 17572, 18722, 21010, 21965, 28268, 34040, 35144, 35335, 37444, 42020, 43930, 46805, 48323, 56536, 70670, 74888, 77737, 84040, 87860, 93610, 96646, 141340, 155474, 162541, 175720, 187220, 193292, 241615, 282680, 310948, 325082, 374440, 386584, 388685, 483230, 621896, 650164, 777370, 812705, 966460, 1300328, 1554740, 1625410, 1787951, 1932920, 3109480, 3250820, 3575902, 6501640, 7151804, 8939755, 14303608, 17879510, 35759020, 71518040]

約数ペア:

[(1, 71518040), (2, 35759020), (4, 17879510), (5, 14303608), (8, 8939755), (10, 7151804), (11, 6501640), (20, 3575902), (22, 3250820), (23, 3109480), (37, 1932920), (40, 1787951), (44, 1625410), (46, 1554740), (55, 1300328), (74, 966460), (88, 812705), (92, 777370), (110, 650164), (115, 621896), (148, 483230), (184, 388685), (185, 386584), (191, 374440), (220, 325082), (230, 310948), (253, 282680), (296, 241615), (370, 193292), (382, 187220), (407, 175720), (440, 162541), (460, 155474), (506, 141340), (740, 96646), (764, 93610), (814, 87860), (851, 84040), (920, 77737), (955, 74888), (1012, 70670), (1265, 56536), (1480, 48323), (1528, 46805), (1628, 43930), (1702, 42020), (1910, 37444), (2024, 35335), (2035, 35144), (2101, 34040), (2530, 28268), (3256, 21965), (3404, 21010), (3820, 18722), (4070, 17572), (4202, 17020), (4255, 16808), (4393, 16280), (5060, 14134), (6808, 10505), (7067, 10120), (7640, 9361), (8140, 8786), (8404, 8510)]