71908760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:697

約数の個数: 128

約数和(自身を含む): 207498240

約数和(自身を除く): 135589480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 37, 40, 44, 55, 56, 70, 74, 77, 88, 110, 140, 148, 154, 185, 220, 259, 280, 296, 308, 370, 385, 407, 440, 518, 616, 631, 740, 770, 814, 1036, 1262, 1295, 1480, 1540, 1628, 2035, 2072, 2524, 2590, 2849, 3080, 3155, 3256, 4070, 4417, 5048, 5180, 5698, 6310, 6941, 8140, 8834, 10360, 11396, 12620, 13882, 14245, 16280, 17668, 22085, 22792, 23347, 25240, 27764, 28490, 34705, 35336, 44170, 46694, 48587, 55528, 56980, 69410, 88340, 93388, 97174, 113960, 116735, 138820, 163429, 176680, 186776, 194348, 233470, 242935, 256817, 277640, 326858, 388696, 466940, 485870, 513634, 653716, 817145, 933880, 971740, 1027268, 1284085, 1307432, 1634290, 1797719, 1943480, 2054536, 2568170, 3268580, 3595438, 5136340, 6537160, 7190876, 8988595, 10272680, 14381752, 17977190, 35954380, 71908760]

約数ペア:

[(1, 71908760), (2, 35954380), (4, 17977190), (5, 14381752), (7, 10272680), (8, 8988595), (10, 7190876), (11, 6537160), (14, 5136340), (20, 3595438), (22, 3268580), (28, 2568170), (35, 2054536), (37, 1943480), (40, 1797719), (44, 1634290), (55, 1307432), (56, 1284085), (70, 1027268), (74, 971740), (77, 933880), (88, 817145), (110, 653716), (140, 513634), (148, 485870), (154, 466940), (185, 388696), (220, 326858), (259, 277640), (280, 256817), (296, 242935), (308, 233470), (370, 194348), (385, 186776), (407, 176680), (440, 163429), (518, 138820), (616, 116735), (631, 113960), (740, 97174), (770, 93388), (814, 88340), (1036, 69410), (1262, 56980), (1295, 55528), (1480, 48587), (1540, 46694), (1628, 44170), (2035, 35336), (2072, 34705), (2524, 28490), (2590, 27764), (2849, 25240), (3080, 23347), (3155, 22792), (3256, 22085), (4070, 17668), (4417, 16280), (5048, 14245), (5180, 13882), (5698, 12620), (6310, 11396), (6941, 10360), (8140, 8834)]