206804501520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{861685423}}^1$

素因数の和:861685439

約数の個数: 40

約数和(自身を含む): 641093955456

約数和(自身を除く): 434289453936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 861685423, 1723370846, 2585056269, 3446741692, 4308427115, 5170112538, 6893483384, 8616854230, 10340225076, 12925281345, 13786966768, 17233708460, 20680450152, 25850562690, 34467416920, 41360900304, 51701125380, 68934833840, 103402250760, 206804501520]

約数ペア:

[(1, 206804501520), (2, 103402250760), (3, 68934833840), (4, 51701125380), (5, 41360900304), (6, 34467416920), (8, 25850562690), (10, 20680450152), (12, 17233708460), (15, 13786966768), (16, 12925281345), (20, 10340225076), (24, 8616854230), (30, 6893483384), (40, 5170112538), (48, 4308427115), (60, 3446741692), (80, 2585056269), (120, 1723370846), (240, 861685423)]