19998582960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{67801}}^1$

素因数の和:69046

約数の個数: 80

約数和(自身を含む): 62046966240

約数和(自身を除く): 42048383280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1229, 2458, 3687, 4916, 6145, 7374, 9832, 12290, 14748, 18435, 19664, 24580, 29496, 36870, 49160, 58992, 67801, 73740, 98320, 135602, 147480, 203403, 271204, 294960, 339005, 406806, 542408, 678010, 813612, 1017015, 1084816, 1356020, 1627224, 2034030, 2712040, 3254448, 4068060, 5424080, 8136120, 16272240, 83327429, 166654858, 249982287, 333309716, 416637145, 499964574, 666619432, 833274290, 999929148, 1249911435, 1333238864, 1666548580, 1999858296, 2499822870, 3333097160, 3999716592, 4999645740, 6666194320, 9999291480, 19998582960]

約数ペア:

[(1, 19998582960), (2, 9999291480), (3, 6666194320), (4, 4999645740), (5, 3999716592), (6, 3333097160), (8, 2499822870), (10, 1999858296), (12, 1666548580), (15, 1333238864), (16, 1249911435), (20, 999929148), (24, 833274290), (30, 666619432), (40, 499964574), (48, 416637145), (60, 333309716), (80, 249982287), (120, 166654858), (240, 83327429), (1229, 16272240), (2458, 8136120), (3687, 5424080), (4916, 4068060), (6145, 3254448), (7374, 2712040), (9832, 2034030), (12290, 1627224), (14748, 1356020), (18435, 1084816), (19664, 1017015), (24580, 813612), (29496, 678010), (36870, 542408), (49160, 406806), (58992, 339005), (67801, 294960), (73740, 271204), (98320, 203403), (135602, 147480)]