81110328

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 232243200

約数和(自身を除く): 151132872

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 89, 92, 104, 127, 138, 156, 178, 184, 254, 267, 276, 299, 312, 356, 381, 508, 534, 552, 598, 712, 762, 897, 1016, 1068, 1157, 1196, 1524, 1651, 1794, 2047, 2136, 2314, 2392, 2921, 3048, 3302, 3471, 3588, 4094, 4628, 4953, 5842, 6141, 6604, 6942, 7176, 8188, 8763, 9256, 9906, 11303, 11684, 12282, 13208, 13884, 16376, 17526, 19812, 22606, 23368, 24564, 26611, 27768, 33909, 35052, 37973, 39624, 45212, 49128, 53222, 67818, 70104, 75946, 79833, 90424, 106444, 113919, 135636, 146939, 151892, 159666, 212888, 227838, 259969, 271272, 293878, 303784, 319332, 440817, 455676, 519938, 587756, 638664, 779907, 881634, 911352, 1039876, 1175512, 1559814, 1763268, 2079752, 3119628, 3379597, 3526536, 6239256, 6759194, 10138791, 13518388, 20277582, 27036776, 40555164, 81110328]

約数ペア:

[(1, 81110328), (2, 40555164), (3, 27036776), (4, 20277582), (6, 13518388), (8, 10138791), (12, 6759194), (13, 6239256), (23, 3526536), (24, 3379597), (26, 3119628), (39, 2079752), (46, 1763268), (52, 1559814), (69, 1175512), (78, 1039876), (89, 911352), (92, 881634), (104, 779907), (127, 638664), (138, 587756), (156, 519938), (178, 455676), (184, 440817), (254, 319332), (267, 303784), (276, 293878), (299, 271272), (312, 259969), (356, 227838), (381, 212888), (508, 159666), (534, 151892), (552, 146939), (598, 135636), (712, 113919), (762, 106444), (897, 90424), (1016, 79833), (1068, 75946), (1157, 70104), (1196, 67818), (1524, 53222), (1651, 49128), (1794, 45212), (2047, 39624), (2136, 37973), (2314, 35052), (2392, 33909), (2921, 27768), (3048, 26611), (3302, 24564), (3471, 23368), (3588, 22606), (4094, 19812), (4628, 17526), (4953, 16376), (5842, 13884), (6141, 13208), (6604, 12282), (6942, 11684), (7176, 11303), (8188, 9906), (8763, 9256)]