7221270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 20030976

約数和(自身を除く): 12809706

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 137, 210, 251, 274, 411, 502, 685, 753, 822, 959, 1255, 1370, 1506, 1757, 1918, 2055, 2510, 2877, 3514, 3765, 4110, 4795, 5271, 5754, 7530, 8785, 9590, 10542, 14385, 17570, 26355, 28770, 34387, 52710, 68774, 103161, 171935, 206322, 240709, 343870, 481418, 515805, 722127, 1031610, 1203545, 1444254, 2407090, 3610635, 7221270]

約数ペア:

[(1, 7221270), (2, 3610635), (3, 2407090), (5, 1444254), (6, 1203545), (7, 1031610), (10, 722127), (14, 515805), (15, 481418), (21, 343870), (30, 240709), (35, 206322), (42, 171935), (70, 103161), (105, 68774), (137, 52710), (210, 34387), (251, 28770), (274, 26355), (411, 17570), (502, 14385), (685, 10542), (753, 9590), (822, 8785), (959, 7530), (1255, 5754), (1370, 5271), (1506, 4795), (1757, 4110), (1918, 3765), (2055, 3514), (2510, 2877)]