156717880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{1009}}^1$

素因数の和:1384

約数の個数: 64

約数和(自身を含む): 386143200

約数和(自身を除く): 229425320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 353, 440, 706, 1009, 1412, 1765, 2018, 2824, 3530, 3883, 4036, 5045, 7060, 7766, 8072, 10090, 11099, 14120, 15532, 19415, 20180, 22198, 31064, 38830, 40360, 44396, 55495, 77660, 88792, 110990, 155320, 221980, 356177, 443960, 712354, 1424708, 1780885, 2849416, 3561770, 3917947, 7123540, 7835894, 14247080, 15671788, 19589735, 31343576, 39179470, 78358940, 156717880]

約数ペア:

[(1, 156717880), (2, 78358940), (4, 39179470), (5, 31343576), (8, 19589735), (10, 15671788), (11, 14247080), (20, 7835894), (22, 7123540), (40, 3917947), (44, 3561770), (55, 2849416), (88, 1780885), (110, 1424708), (220, 712354), (353, 443960), (440, 356177), (706, 221980), (1009, 155320), (1412, 110990), (1765, 88792), (2018, 77660), (2824, 55495), (3530, 44396), (3883, 40360), (4036, 38830), (5045, 31064), (7060, 22198), (7766, 20180), (8072, 19415), (10090, 15532), (11099, 14120)]