161878780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{3019}}^1$

素因数の和:3418

約数の個数: 48

約数和(自身を含む): 389652480

約数和(自身を除く): 227773700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 383, 766, 1532, 1915, 2681, 3019, 3830, 5362, 6038, 7660, 10724, 12076, 13405, 15095, 21133, 26810, 30190, 42266, 53620, 60380, 84532, 105665, 211330, 422660, 1156277, 2312554, 4625108, 5781385, 8093939, 11562770, 16187878, 23125540, 32375756, 40469695, 80939390, 161878780]

約数ペア:

[(1, 161878780), (2, 80939390), (4, 40469695), (5, 32375756), (7, 23125540), (10, 16187878), (14, 11562770), (20, 8093939), (28, 5781385), (35, 4625108), (70, 2312554), (140, 1156277), (383, 422660), (766, 211330), (1532, 105665), (1915, 84532), (2681, 60380), (3019, 53620), (3830, 42266), (5362, 30190), (6038, 26810), (7660, 21133), (10724, 15095), (12076, 13405)]