85939280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:277

約数の個数: 160

約数和(自身を含む): 247484160

約数和(自身を除く): 161544880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 41, 56, 70, 76, 80, 82, 95, 112, 133, 140, 152, 164, 190, 197, 205, 266, 280, 287, 304, 328, 380, 394, 410, 532, 560, 574, 656, 665, 760, 779, 788, 820, 985, 1064, 1148, 1330, 1379, 1435, 1520, 1558, 1576, 1640, 1970, 2128, 2296, 2660, 2758, 2870, 3116, 3152, 3280, 3743, 3895, 3940, 4592, 5320, 5453, 5516, 5740, 6232, 6895, 7486, 7790, 7880, 8077, 10640, 10906, 11032, 11480, 12464, 13790, 14972, 15580, 15760, 16154, 18715, 21812, 22064, 22960, 26201, 27265, 27580, 29944, 31160, 32308, 37430, 40385, 43624, 52402, 54530, 55160, 56539, 59888, 62320, 64616, 74860, 80770, 87248, 104804, 109060, 110320, 113078, 129232, 131005, 149720, 153463, 161540, 209608, 218120, 226156, 262010, 282695, 299440, 306926, 323080, 419216, 436240, 452312, 524020, 565390, 613852, 646160, 767315, 904624, 1048040, 1074241, 1130780, 1227704, 1534630, 2096080, 2148482, 2261560, 2455408, 3069260, 4296964, 4523120, 5371205, 6138520, 8593928, 10742410, 12277040, 17187856, 21484820, 42969640, 85939280]

約数ペア:

[(1, 85939280), (2, 42969640), (4, 21484820), (5, 17187856), (7, 12277040), (8, 10742410), (10, 8593928), (14, 6138520), (16, 5371205), (19, 4523120), (20, 4296964), (28, 3069260), (35, 2455408), (38, 2261560), (40, 2148482), (41, 2096080), (56, 1534630), (70, 1227704), (76, 1130780), (80, 1074241), (82, 1048040), (95, 904624), (112, 767315), (133, 646160), (140, 613852), (152, 565390), (164, 524020), (190, 452312), (197, 436240), (205, 419216), (266, 323080), (280, 306926), (287, 299440), (304, 282695), (328, 262010), (380, 226156), (394, 218120), (410, 209608), (532, 161540), (560, 153463), (574, 149720), (656, 131005), (665, 129232), (760, 113078), (779, 110320), (788, 109060), (820, 104804), (985, 87248), (1064, 80770), (1148, 74860), (1330, 64616), (1379, 62320), (1435, 59888), (1520, 56539), (1558, 55160), (1576, 54530), (1640, 52402), (1970, 43624), (2128, 40385), (2296, 37430), (2660, 32308), (2758, 31160), (2870, 29944), (3116, 27580), (3152, 27265), (3280, 26201), (3743, 22960), (3895, 22064), (3940, 21812), (4592, 18715), (5320, 16154), (5453, 15760), (5516, 15580), (5740, 14972), (6232, 13790), (6895, 12464), (7486, 11480), (7790, 11032), (7880, 10906), (8077, 10640)]