217786160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:822

約数の個数: 80

約数和(自身を含む): 527323392

約数和(自身を除く): 309537232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 137, 155, 248, 274, 310, 496, 548, 620, 641, 685, 1096, 1240, 1282, 1370, 2192, 2480, 2564, 2740, 3205, 4247, 5128, 5480, 6410, 8494, 10256, 10960, 12820, 16988, 19871, 21235, 25640, 33976, 39742, 42470, 51280, 67952, 79484, 84940, 87817, 99355, 158968, 169880, 175634, 198710, 317936, 339760, 351268, 397420, 439085, 702536, 794840, 878170, 1405072, 1589680, 1756340, 2722327, 3512680, 5444654, 7025360, 10889308, 13611635, 21778616, 27223270, 43557232, 54446540, 108893080, 217786160]

約数ペア:

[(1, 217786160), (2, 108893080), (4, 54446540), (5, 43557232), (8, 27223270), (10, 21778616), (16, 13611635), (20, 10889308), (31, 7025360), (40, 5444654), (62, 3512680), (80, 2722327), (124, 1756340), (137, 1589680), (155, 1405072), (248, 878170), (274, 794840), (310, 702536), (496, 439085), (548, 397420), (620, 351268), (641, 339760), (685, 317936), (1096, 198710), (1240, 175634), (1282, 169880), (1370, 158968), (2192, 99355), (2480, 87817), (2564, 84940), (2740, 79484), (3205, 67952), (4247, 51280), (5128, 42470), (5480, 39742), (6410, 33976), (8494, 25640), (10256, 21235), (10960, 19871), (12820, 16988)]