27963760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 72673920

約数和(自身を除く): 44710160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 739, 860, 880, 946, 1478, 1720, 1892, 2365, 2956, 3440, 3695, 3784, 4730, 5912, 7390, 7568, 8129, 9460, 11824, 14780, 16258, 18920, 29560, 31777, 32516, 37840, 40645, 59120, 63554, 65032, 81290, 127108, 130064, 158885, 162580, 254216, 317770, 325160, 349547, 508432, 635540, 650320, 699094, 1271080, 1398188, 1747735, 2542160, 2796376, 3495470, 5592752, 6990940, 13981880, 27963760]

約数ペア:

[(1, 27963760), (2, 13981880), (4, 6990940), (5, 5592752), (8, 3495470), (10, 2796376), (11, 2542160), (16, 1747735), (20, 1398188), (22, 1271080), (40, 699094), (43, 650320), (44, 635540), (55, 508432), (80, 349547), (86, 325160), (88, 317770), (110, 254216), (172, 162580), (176, 158885), (215, 130064), (220, 127108), (344, 81290), (430, 65032), (440, 63554), (473, 59120), (688, 40645), (739, 37840), (860, 32516), (880, 31777), (946, 29560), (1478, 18920), (1720, 16258), (1892, 14780), (2365, 11824), (2956, 9460), (3440, 8129), (3695, 7568), (3784, 7390), (4730, 5912)]