1680390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{18671}}^1$

素因数の和:18684

約数の個数: 24

約数和(自身を含む): 4369248

約数和(自身を除く): 2688858

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 18671, 37342, 56013, 93355, 112026, 168039, 186710, 280065, 336078, 560130, 840195, 1680390]

約数ペア:

[(1, 1680390), (2, 840195), (3, 560130), (5, 336078), (6, 280065), (9, 186710), (10, 168039), (15, 112026), (18, 93355), (30, 56013), (45, 37342), (90, 18671)]