55721680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5237}}^1$

素因数の和:5276

約数の個数: 80

約数和(自身を含む): 155882880

約数和(自身を除く): 100161200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5237, 5320, 10474, 10640, 20948, 26185, 36659, 41896, 52370, 73318, 83792, 99503, 104740, 146636, 183295, 199006, 209480, 293272, 366590, 398012, 418960, 497515, 586544, 696521, 733180, 796024, 995030, 1393042, 1466360, 1592048, 1990060, 2786084, 2932720, 3482605, 3980120, 5572168, 6965210, 7960240, 11144336, 13930420, 27860840, 55721680]

約数ペア:

[(1, 55721680), (2, 27860840), (4, 13930420), (5, 11144336), (7, 7960240), (8, 6965210), (10, 5572168), (14, 3980120), (16, 3482605), (19, 2932720), (20, 2786084), (28, 1990060), (35, 1592048), (38, 1466360), (40, 1393042), (56, 995030), (70, 796024), (76, 733180), (80, 696521), (95, 586544), (112, 497515), (133, 418960), (140, 398012), (152, 366590), (190, 293272), (266, 209480), (280, 199006), (304, 183295), (380, 146636), (532, 104740), (560, 99503), (665, 83792), (760, 73318), (1064, 52370), (1330, 41896), (1520, 36659), (2128, 26185), (2660, 20948), (5237, 10640), (5320, 10474)]