72453640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{258763}}^1$

素因数の和:258781

約数の個数: 32

約数和(自身を含む): 186310080

約数和(自身を除く): 113856440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 258763, 517526, 1035052, 1293815, 1811341, 2070104, 2587630, 3622682, 5175260, 7245364, 9056705, 10350520, 14490728, 18113410, 36226820, 72453640]

約数ペア:

[(1, 72453640), (2, 36226820), (4, 18113410), (5, 14490728), (7, 10350520), (8, 9056705), (10, 7245364), (14, 5175260), (20, 3622682), (28, 2587630), (35, 2070104), (40, 1811341), (56, 1293815), (70, 1035052), (140, 517526), (280, 258763)]