31442640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131011}}^1$

素因数の和:131027

約数の個数: 40

約数和(自身を含む): 97472928

約数和(自身を除く): 66030288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 131011, 262022, 393033, 524044, 655055, 786066, 1048088, 1310110, 1572132, 1965165, 2096176, 2620220, 3144264, 3930330, 5240440, 6288528, 7860660, 10480880, 15721320, 31442640]

約数ペア:

[(1, 31442640), (2, 15721320), (3, 10480880), (4, 7860660), (5, 6288528), (6, 5240440), (8, 3930330), (10, 3144264), (12, 2620220), (15, 2096176), (16, 1965165), (20, 1572132), (24, 1310110), (30, 1048088), (40, 786066), (48, 655055), (60, 524044), (80, 393033), (120, 262022), (240, 131011)]