27982720

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1901}}^1$

素因数の和:1943

約数の個数: 64

約数和(自身を含む): 69841440

約数和(自身を除く): 41858720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 1901, 2944, 3680, 3802, 7360, 7604, 9505, 14720, 15208, 19010, 30416, 38020, 43723, 60832, 76040, 87446, 121664, 152080, 174892, 218615, 243328, 304160, 349784, 437230, 608320, 699568, 874460, 1216640, 1399136, 1748920, 2798272, 3497840, 5596544, 6995680, 13991360, 27982720]

約数ペア:

[(1, 27982720), (2, 13991360), (4, 6995680), (5, 5596544), (8, 3497840), (10, 2798272), (16, 1748920), (20, 1399136), (23, 1216640), (32, 874460), (40, 699568), (46, 608320), (64, 437230), (80, 349784), (92, 304160), (115, 243328), (128, 218615), (160, 174892), (184, 152080), (230, 121664), (320, 87446), (368, 76040), (460, 60832), (640, 43723), (736, 38020), (920, 30416), (1472, 19010), (1840, 15208), (1901, 14720), (2944, 9505), (3680, 7604), (3802, 7360)]