78312080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12713}}^1$

素因数の和:12744

約数の個数: 80

約数和(自身を含む): 227021184

約数和(自身を除く): 148709104

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, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 12713, 25426, 50852, 63565, 88991, 101704, 127130, 139843, 177982, 203408, 254260, 279686, 355964, 444955, 508520, 559372, 699215, 711928, 889910, 978901, 1017040, 1118744, 1398430, 1423856, 1779820, 1957802, 2237488, 2796860, 3559640, 3915604, 4894505, 5593720, 7119280, 7831208, 9789010, 11187440, 15662416, 19578020, 39156040, 78312080]

約数ペア:

[(1, 78312080), (2, 39156040), (4, 19578020), (5, 15662416), (7, 11187440), (8, 9789010), (10, 7831208), (11, 7119280), (14, 5593720), (16, 4894505), (20, 3915604), (22, 3559640), (28, 2796860), (35, 2237488), (40, 1957802), (44, 1779820), (55, 1423856), (56, 1398430), (70, 1118744), (77, 1017040), (80, 978901), (88, 889910), (110, 711928), (112, 699215), (140, 559372), (154, 508520), (176, 444955), (220, 355964), (280, 279686), (308, 254260), (385, 203408), (440, 177982), (560, 139843), (616, 127130), (770, 101704), (880, 88991), (1232, 63565), (1540, 50852), (3080, 25426), (6160, 12713)]