1280780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3767}}^1$

素因数の和:3793

約数の個数: 24

約数和(自身を含む): 2848608

約数和(自身を除く): 1567828

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 3767, 7534, 15068, 18835, 37670, 64039, 75340, 128078, 256156, 320195, 640390, 1280780]

約数ペア:

[(1, 1280780), (2, 640390), (4, 320195), (5, 256156), (10, 128078), (17, 75340), (20, 64039), (34, 37670), (68, 18835), (85, 15068), (170, 7534), (340, 3767)]