204622720

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13901}}^1$

素因数の和:13943

約数の個数: 64

約数和(自身を含む): 510481440

約数和(自身を除く): 305858720

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, 2944, 3680, 7360, 13901, 14720, 27802, 55604, 69505, 111208, 139010, 222416, 278020, 319723, 444832, 556040, 639446, 889664, 1112080, 1278892, 1598615, 1779328, 2224160, 2557784, 3197230, 4448320, 5115568, 6394460, 8896640, 10231136, 12788920, 20462272, 25577840, 40924544, 51155680, 102311360, 204622720]

約数ペア:

[(1, 204622720), (2, 102311360), (4, 51155680), (5, 40924544), (8, 25577840), (10, 20462272), (16, 12788920), (20, 10231136), (23, 8896640), (32, 6394460), (40, 5115568), (46, 4448320), (64, 3197230), (80, 2557784), (92, 2224160), (115, 1779328), (128, 1598615), (160, 1278892), (184, 1112080), (230, 889664), (320, 639446), (368, 556040), (460, 444832), (640, 319723), (736, 278020), (920, 222416), (1472, 139010), (1840, 111208), (2944, 69505), (3680, 55604), (7360, 27802), (13901, 14720)]