7282920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:594

約数の個数: 64

約数和(自身を含む): 22057920

約数和(自身を除く): 14775000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 137, 274, 411, 443, 548, 685, 822, 886, 1096, 1329, 1370, 1644, 1772, 2055, 2215, 2658, 2740, 3288, 3544, 4110, 4430, 5316, 5480, 6645, 8220, 8860, 10632, 13290, 16440, 17720, 26580, 53160, 60691, 121382, 182073, 242764, 303455, 364146, 485528, 606910, 728292, 910365, 1213820, 1456584, 1820730, 2427640, 3641460, 7282920]

約数ペア:

[(1, 7282920), (2, 3641460), (3, 2427640), (4, 1820730), (5, 1456584), (6, 1213820), (8, 910365), (10, 728292), (12, 606910), (15, 485528), (20, 364146), (24, 303455), (30, 242764), (40, 182073), (60, 121382), (120, 60691), (137, 53160), (274, 26580), (411, 17720), (443, 16440), (548, 13290), (685, 10632), (822, 8860), (886, 8220), (1096, 6645), (1329, 5480), (1370, 5316), (1644, 4430), (1772, 4110), (2055, 3544), (2215, 3288), (2658, 2740)]