77606820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1789}}^1$

素因数の和:2045

約数の個数: 72

約数和(自身を含む): 236516280

約数和(自身を除く): 158909460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 241, 482, 723, 964, 1205, 1446, 1789, 2169, 2410, 2892, 3578, 3615, 4338, 4820, 5367, 7156, 7230, 8676, 8945, 10734, 10845, 14460, 16101, 17890, 21468, 21690, 26835, 32202, 35780, 43380, 53670, 64404, 80505, 107340, 161010, 322020, 431149, 862298, 1293447, 1724596, 2155745, 2586894, 3880341, 4311490, 5173788, 6467235, 7760682, 8622980, 12934470, 15521364, 19401705, 25868940, 38803410, 77606820]

約数ペア:

[(1, 77606820), (2, 38803410), (3, 25868940), (4, 19401705), (5, 15521364), (6, 12934470), (9, 8622980), (10, 7760682), (12, 6467235), (15, 5173788), (18, 4311490), (20, 3880341), (30, 2586894), (36, 2155745), (45, 1724596), (60, 1293447), (90, 862298), (180, 431149), (241, 322020), (482, 161010), (723, 107340), (964, 80505), (1205, 64404), (1446, 53670), (1789, 43380), (2169, 35780), (2410, 32202), (2892, 26835), (3578, 21690), (3615, 21468), (4338, 17890), (4820, 16101), (5367, 14460), (7156, 10845), (7230, 10734), (8676, 8945)]