19698480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:379

約数の個数: 120

約数和(自身を含む): 67026960

約数和(自身を除く): 47328480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 109, 120, 144, 180, 218, 240, 251, 327, 360, 436, 502, 545, 654, 720, 753, 872, 981, 1004, 1090, 1255, 1308, 1506, 1635, 1744, 1962, 2008, 2180, 2259, 2510, 2616, 3012, 3270, 3765, 3924, 4016, 4360, 4518, 4905, 5020, 5232, 6024, 6540, 7530, 7848, 8720, 9036, 9810, 10040, 11295, 12048, 13080, 15060, 15696, 18072, 19620, 20080, 22590, 26160, 27359, 30120, 36144, 39240, 45180, 54718, 60240, 78480, 82077, 90360, 109436, 136795, 164154, 180720, 218872, 246231, 273590, 328308, 410385, 437744, 492462, 547180, 656616, 820770, 984924, 1094360, 1231155, 1313232, 1641540, 1969848, 2188720, 2462310, 3283080, 3939696, 4924620, 6566160, 9849240, 19698480]

約数ペア:

[(1, 19698480), (2, 9849240), (3, 6566160), (4, 4924620), (5, 3939696), (6, 3283080), (8, 2462310), (9, 2188720), (10, 1969848), (12, 1641540), (15, 1313232), (16, 1231155), (18, 1094360), (20, 984924), (24, 820770), (30, 656616), (36, 547180), (40, 492462), (45, 437744), (48, 410385), (60, 328308), (72, 273590), (80, 246231), (90, 218872), (109, 180720), (120, 164154), (144, 136795), (180, 109436), (218, 90360), (240, 82077), (251, 78480), (327, 60240), (360, 54718), (436, 45180), (502, 39240), (545, 36144), (654, 30120), (720, 27359), (753, 26160), (872, 22590), (981, 20080), (1004, 19620), (1090, 18072), (1255, 15696), (1308, 15060), (1506, 13080), (1635, 12048), (1744, 11295), (1962, 10040), (2008, 9810), (2180, 9036), (2259, 8720), (2510, 7848), (2616, 7530), (3012, 6540), (3270, 6024), (3765, 5232), (3924, 5020), (4016, 4905), (4360, 4518)]