1640890740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{27348179}}^1$

素因数の和:27348191

約数の個数: 24

約数和(自身を含む): 4594494240

約数和(自身を除く): 2953603500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 27348179, 54696358, 82044537, 109392716, 136740895, 164089074, 273481790, 328178148, 410222685, 546963580, 820445370, 1640890740]

約数ペア:

[(1, 1640890740), (2, 820445370), (3, 546963580), (4, 410222685), (5, 328178148), (6, 273481790), (10, 164089074), (12, 136740895), (15, 109392716), (20, 82044537), (30, 54696358), (60, 27348179)]