12780986720

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2754523}}^1$

素因数の和:2754567

約数の個数: 48

約数和(自身を含む): 31236302160

約数和(自身を除く): 18455315440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 2754523, 5509046, 11018092, 13772615, 22036184, 27545230, 44072368, 55090460, 79881167, 88144736, 110180920, 159762334, 220361840, 319524668, 399405835, 440723680, 639049336, 798811670, 1278098672, 1597623340, 2556197344, 3195246680, 6390493360, 12780986720]

約数ペア:

[(1, 12780986720), (2, 6390493360), (4, 3195246680), (5, 2556197344), (8, 1597623340), (10, 1278098672), (16, 798811670), (20, 639049336), (29, 440723680), (32, 399405835), (40, 319524668), (58, 220361840), (80, 159762334), (116, 110180920), (145, 88144736), (160, 79881167), (232, 55090460), (290, 44072368), (464, 27545230), (580, 22036184), (928, 13772615), (1160, 11018092), (2320, 5509046), (4640, 2754523)]