31361440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:302

約数の個数: 96

約数和(自身を含む): 82083456

約数和(自身を除く): 50722016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 103, 110, 160, 173, 176, 206, 220, 346, 352, 412, 440, 515, 692, 824, 865, 880, 1030, 1133, 1384, 1648, 1730, 1760, 1903, 2060, 2266, 2768, 3296, 3460, 3806, 4120, 4532, 5536, 5665, 6920, 7612, 8240, 9064, 9515, 11330, 13840, 15224, 16480, 17819, 18128, 19030, 22660, 27680, 30448, 35638, 36256, 38060, 45320, 60896, 71276, 76120, 89095, 90640, 142552, 152240, 178190, 181280, 196009, 285104, 304480, 356380, 392018, 570208, 712760, 784036, 980045, 1425520, 1568072, 1960090, 2851040, 3136144, 3920180, 6272288, 7840360, 15680720, 31361440]

約数ペア:

[(1, 31361440), (2, 15680720), (4, 7840360), (5, 6272288), (8, 3920180), (10, 3136144), (11, 2851040), (16, 1960090), (20, 1568072), (22, 1425520), (32, 980045), (40, 784036), (44, 712760), (55, 570208), (80, 392018), (88, 356380), (103, 304480), (110, 285104), (160, 196009), (173, 181280), (176, 178190), (206, 152240), (220, 142552), (346, 90640), (352, 89095), (412, 76120), (440, 71276), (515, 60896), (692, 45320), (824, 38060), (865, 36256), (880, 35638), (1030, 30448), (1133, 27680), (1384, 22660), (1648, 19030), (1730, 18128), (1760, 17819), (1903, 16480), (2060, 15224), (2266, 13840), (2768, 11330), (3296, 9515), (3460, 9064), (3806, 8240), (4120, 7612), (4532, 6920), (5536, 5665)]