72705776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:814

約数の個数: 80

約数和(自身を含む): 169572480

約数和(自身を除く): 96866704

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 43, 44, 52, 86, 88, 104, 143, 172, 176, 208, 286, 344, 473, 559, 572, 688, 739, 946, 1118, 1144, 1478, 1892, 2236, 2288, 2956, 3784, 4472, 5912, 6149, 7568, 8129, 8944, 9607, 11824, 12298, 16258, 19214, 24596, 31777, 32516, 38428, 49192, 63554, 65032, 76856, 98384, 105677, 127108, 130064, 153712, 211354, 254216, 349547, 413101, 422708, 508432, 699094, 826202, 845416, 1398188, 1652404, 1690832, 2796376, 3304808, 4544111, 5592752, 6609616, 9088222, 18176444, 36352888, 72705776]

約数ペア:

[(1, 72705776), (2, 36352888), (4, 18176444), (8, 9088222), (11, 6609616), (13, 5592752), (16, 4544111), (22, 3304808), (26, 2796376), (43, 1690832), (44, 1652404), (52, 1398188), (86, 845416), (88, 826202), (104, 699094), (143, 508432), (172, 422708), (176, 413101), (208, 349547), (286, 254216), (344, 211354), (473, 153712), (559, 130064), (572, 127108), (688, 105677), (739, 98384), (946, 76856), (1118, 65032), (1144, 63554), (1478, 49192), (1892, 38428), (2236, 32516), (2288, 31777), (2956, 24596), (3784, 19214), (4472, 16258), (5912, 12298), (6149, 11824), (7568, 9607), (8129, 8944)]