256204728

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3967}}^1$

素因数の和:4018

約数の個数: 128

約数和(自身を含む): 799948800

約数和(自身を除く): 543744072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 27, 36, 39, 46, 52, 54, 69, 72, 78, 92, 104, 108, 117, 138, 156, 184, 207, 216, 234, 276, 299, 312, 351, 414, 468, 552, 598, 621, 702, 828, 897, 936, 1196, 1242, 1404, 1656, 1794, 2392, 2484, 2691, 2808, 3588, 3967, 4968, 5382, 7176, 7934, 8073, 10764, 11901, 15868, 16146, 21528, 23802, 31736, 32292, 35703, 47604, 51571, 64584, 71406, 91241, 95208, 103142, 107109, 142812, 154713, 182482, 206284, 214218, 273723, 285624, 309426, 364964, 412568, 428436, 464139, 547446, 618852, 729928, 821169, 856872, 928278, 1094892, 1186133, 1237704, 1392417, 1642338, 1856556, 2189784, 2372266, 2463507, 2784834, 3284676, 3558399, 3713112, 4744532, 4927014, 5569668, 6569352, 7116798, 9489064, 9854028, 10675197, 11139336, 14233596, 19708056, 21350394, 28467192, 32025591, 42700788, 64051182, 85401576, 128102364, 256204728]

約数ペア:

[(1, 256204728), (2, 128102364), (3, 85401576), (4, 64051182), (6, 42700788), (8, 32025591), (9, 28467192), (12, 21350394), (13, 19708056), (18, 14233596), (23, 11139336), (24, 10675197), (26, 9854028), (27, 9489064), (36, 7116798), (39, 6569352), (46, 5569668), (52, 4927014), (54, 4744532), (69, 3713112), (72, 3558399), (78, 3284676), (92, 2784834), (104, 2463507), (108, 2372266), (117, 2189784), (138, 1856556), (156, 1642338), (184, 1392417), (207, 1237704), (216, 1186133), (234, 1094892), (276, 928278), (299, 856872), (312, 821169), (351, 729928), (414, 618852), (468, 547446), (552, 464139), (598, 428436), (621, 412568), (702, 364964), (828, 309426), (897, 285624), (936, 273723), (1196, 214218), (1242, 206284), (1404, 182482), (1656, 154713), (1794, 142812), (2392, 107109), (2484, 103142), (2691, 95208), (2808, 91241), (3588, 71406), (3967, 64584), (4968, 51571), (5382, 47604), (7176, 35703), (7934, 32292), (8073, 31736), (10764, 23802), (11901, 21528), (15868, 16146)]