85028720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:335

約数の個数: 120

約数和(自身を含む): 233244000

約数和(自身を除く): 148215280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 109, 112, 140, 196, 199, 218, 245, 280, 392, 398, 436, 490, 545, 560, 763, 784, 796, 872, 980, 995, 1090, 1393, 1526, 1592, 1744, 1960, 1990, 2180, 2786, 3052, 3184, 3815, 3920, 3980, 4360, 5341, 5572, 6104, 6965, 7630, 7960, 8720, 9751, 10682, 11144, 12208, 13930, 15260, 15920, 19502, 21364, 21691, 22288, 26705, 27860, 30520, 39004, 42728, 43382, 48755, 53410, 55720, 61040, 78008, 85456, 86764, 97510, 106820, 108455, 111440, 151837, 156016, 173528, 195020, 213640, 216910, 303674, 347056, 390040, 427280, 433820, 607348, 759185, 780080, 867640, 1062859, 1214696, 1518370, 1735280, 2125718, 2429392, 3036740, 4251436, 5314295, 6073480, 8502872, 10628590, 12146960, 17005744, 21257180, 42514360, 85028720]

約数ペア:

[(1, 85028720), (2, 42514360), (4, 21257180), (5, 17005744), (7, 12146960), (8, 10628590), (10, 8502872), (14, 6073480), (16, 5314295), (20, 4251436), (28, 3036740), (35, 2429392), (40, 2125718), (49, 1735280), (56, 1518370), (70, 1214696), (80, 1062859), (98, 867640), (109, 780080), (112, 759185), (140, 607348), (196, 433820), (199, 427280), (218, 390040), (245, 347056), (280, 303674), (392, 216910), (398, 213640), (436, 195020), (490, 173528), (545, 156016), (560, 151837), (763, 111440), (784, 108455), (796, 106820), (872, 97510), (980, 86764), (995, 85456), (1090, 78008), (1393, 61040), (1526, 55720), (1592, 53410), (1744, 48755), (1960, 43382), (1990, 42728), (2180, 39004), (2786, 30520), (3052, 27860), (3184, 26705), (3815, 22288), (3920, 21691), (3980, 21364), (4360, 19502), (5341, 15920), (5572, 15260), (6104, 13930), (6965, 12208), (7630, 11144), (7960, 10682), (8720, 9751)]