80578960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 160

約数和(自身を含む): 237699072

約数和(自身を除く): 157120112

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 103, 110, 112, 127, 140, 154, 176, 206, 220, 254, 280, 308, 385, 412, 440, 508, 515, 560, 616, 635, 721, 770, 824, 880, 889, 1016, 1030, 1133, 1232, 1270, 1397, 1442, 1540, 1648, 1778, 2032, 2060, 2266, 2540, 2794, 2884, 3080, 3556, 3605, 4120, 4445, 4532, 5080, 5588, 5665, 5768, 6160, 6985, 7112, 7210, 7931, 8240, 8890, 9064, 9779, 10160, 11176, 11330, 11536, 13081, 13970, 14224, 14420, 15862, 17780, 18128, 19558, 22352, 22660, 26162, 27940, 28840, 31724, 35560, 39116, 39655, 45320, 48895, 52324, 55880, 57680, 63448, 65405, 71120, 78232, 79310, 90640, 91567, 97790, 104648, 111760, 126896, 130810, 143891, 156464, 158620, 183134, 195580, 209296, 261620, 287782, 317240, 366268, 391160, 457835, 523240, 575564, 634480, 719455, 732536, 782320, 915670, 1007237, 1046480, 1151128, 1438910, 1465072, 1831340, 2014474, 2302256, 2877820, 3662680, 4028948, 5036185, 5755640, 7325360, 8057896, 10072370, 11511280, 16115792, 20144740, 40289480, 80578960]

約数ペア:

[(1, 80578960), (2, 40289480), (4, 20144740), (5, 16115792), (7, 11511280), (8, 10072370), (10, 8057896), (11, 7325360), (14, 5755640), (16, 5036185), (20, 4028948), (22, 3662680), (28, 2877820), (35, 2302256), (40, 2014474), (44, 1831340), (55, 1465072), (56, 1438910), (70, 1151128), (77, 1046480), (80, 1007237), (88, 915670), (103, 782320), (110, 732536), (112, 719455), (127, 634480), (140, 575564), (154, 523240), (176, 457835), (206, 391160), (220, 366268), (254, 317240), (280, 287782), (308, 261620), (385, 209296), (412, 195580), (440, 183134), (508, 158620), (515, 156464), (560, 143891), (616, 130810), (635, 126896), (721, 111760), (770, 104648), (824, 97790), (880, 91567), (889, 90640), (1016, 79310), (1030, 78232), (1133, 71120), (1232, 65405), (1270, 63448), (1397, 57680), (1442, 55880), (1540, 52324), (1648, 48895), (1778, 45320), (2032, 39655), (2060, 39116), (2266, 35560), (2540, 31724), (2794, 28840), (2884, 27940), (3080, 26162), (3556, 22660), (3605, 22352), (4120, 19558), (4445, 18128), (4532, 17780), (5080, 15862), (5588, 14420), (5665, 14224), (5768, 13970), (6160, 13081), (6985, 11536), (7112, 11330), (7210, 11176), (7931, 10160), (8240, 9779), (8890, 9064)]