201520160

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{7727}}^1$

素因数の和:7905

約数の個数: 48

約数和(自身を含む): 479074176

約数和(自身を除く): 277554016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 5216, 6520, 7727, 13040, 15454, 26080, 30908, 38635, 61816, 77270, 123632, 154540, 247264, 309080, 618160, 1236320, 1259501, 2519002, 5038004, 6297505, 10076008, 12595010, 20152016, 25190020, 40304032, 50380040, 100760080, 201520160]

約数ペア:

[(1, 201520160), (2, 100760080), (4, 50380040), (5, 40304032), (8, 25190020), (10, 20152016), (16, 12595010), (20, 10076008), (32, 6297505), (40, 5038004), (80, 2519002), (160, 1259501), (163, 1236320), (326, 618160), (652, 309080), (815, 247264), (1304, 154540), (1630, 123632), (2608, 77270), (3260, 61816), (5216, 38635), (6520, 30908), (7727, 26080), (13040, 15454)]