121760240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{217429}}^1$

素因数の和:217449

約数の個数: 40

約数和(自身を含む): 323535840

約数和(自身を除く): 201775600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 217429, 434858, 869716, 1087145, 1522003, 1739432, 2174290, 3044006, 3478864, 4348580, 6088012, 7610015, 8697160, 12176024, 15220030, 17394320, 24352048, 30440060, 60880120, 121760240]

約数ペア:

[(1, 121760240), (2, 60880120), (4, 30440060), (5, 24352048), (7, 17394320), (8, 15220030), (10, 12176024), (14, 8697160), (16, 7610015), (20, 6088012), (28, 4348580), (35, 3478864), (40, 3044006), (56, 2174290), (70, 1739432), (80, 1522003), (112, 1087145), (140, 869716), (280, 434858), (560, 217429)]