81180064

素因数分解:

$2^5\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2251}}^1$

素因数の和:2298

約数の個数: 72

約数和(自身を含む): 194086368

約数和(自身を除く): 112906304

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 92, 98, 112, 161, 184, 196, 224, 322, 368, 392, 644, 736, 784, 1127, 1288, 1568, 2251, 2254, 2576, 4502, 4508, 5152, 9004, 9016, 15757, 18008, 18032, 31514, 36016, 36064, 51773, 63028, 72032, 103546, 110299, 126056, 207092, 220598, 252112, 362411, 414184, 441196, 504224, 724822, 828368, 882392, 1449644, 1656736, 1764784, 2536877, 2899288, 3529568, 5073754, 5798576, 10147508, 11597152, 20295016, 40590032, 81180064]

約数ペア:

[(1, 81180064), (2, 40590032), (4, 20295016), (7, 11597152), (8, 10147508), (14, 5798576), (16, 5073754), (23, 3529568), (28, 2899288), (32, 2536877), (46, 1764784), (49, 1656736), (56, 1449644), (92, 882392), (98, 828368), (112, 724822), (161, 504224), (184, 441196), (196, 414184), (224, 362411), (322, 252112), (368, 220598), (392, 207092), (644, 126056), (736, 110299), (784, 103546), (1127, 72032), (1288, 63028), (1568, 51773), (2251, 36064), (2254, 36016), (2576, 31514), (4502, 18032), (4508, 18008), (5152, 15757), (9004, 9016)]