7280220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1811}}^1$

素因数の和:1890

約数の個数: 48

約数和(自身を含む): 20700288

約数和(自身を除く): 13420068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 1811, 2010, 3622, 4020, 5433, 7244, 9055, 10866, 18110, 21732, 27165, 36220, 54330, 108660, 121337, 242674, 364011, 485348, 606685, 728022, 1213370, 1456044, 1820055, 2426740, 3640110, 7280220]

約数ペア:

[(1, 7280220), (2, 3640110), (3, 2426740), (4, 1820055), (5, 1456044), (6, 1213370), (10, 728022), (12, 606685), (15, 485348), (20, 364011), (30, 242674), (60, 121337), (67, 108660), (134, 54330), (201, 36220), (268, 27165), (335, 21732), (402, 18110), (670, 10866), (804, 9055), (1005, 7244), (1340, 5433), (1811, 4020), (2010, 3622)]