7978380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1291}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 22573824

約数和(自身を除く): 14595444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1291, 1545, 2060, 2582, 3090, 3873, 5164, 6180, 6455, 7746, 12910, 15492, 19365, 25820, 38730, 77460, 132973, 265946, 398919, 531892, 664865, 797838, 1329730, 1595676, 1994595, 2659460, 3989190, 7978380]

約数ペア:

[(1, 7978380), (2, 3989190), (3, 2659460), (4, 1994595), (5, 1595676), (6, 1329730), (10, 797838), (12, 664865), (15, 531892), (20, 398919), (30, 265946), (60, 132973), (103, 77460), (206, 38730), (309, 25820), (412, 19365), (515, 15492), (618, 12910), (1030, 7746), (1236, 6455), (1291, 6180), (1545, 5164), (2060, 3873), (2582, 3090)]