261204768

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2011}}^1$

素因数の和:2079

約数の個数: 144

約数和(自身を含む): 830505312

約数和(自身を除く): 569300544

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 41, 44, 48, 66, 72, 82, 88, 96, 99, 123, 132, 144, 164, 176, 198, 246, 264, 288, 328, 352, 369, 396, 451, 492, 528, 656, 738, 792, 902, 984, 1056, 1312, 1353, 1476, 1584, 1804, 1968, 2011, 2706, 2952, 3168, 3608, 3936, 4022, 4059, 5412, 5904, 6033, 7216, 8044, 8118, 10824, 11808, 12066, 14432, 16088, 16236, 18099, 21648, 22121, 24132, 32176, 32472, 36198, 43296, 44242, 48264, 64352, 64944, 66363, 72396, 82451, 88484, 96528, 129888, 132726, 144792, 164902, 176968, 193056, 199089, 247353, 265452, 289584, 329804, 353936, 398178, 494706, 530904, 579168, 659608, 707872, 742059, 796356, 906961, 989412, 1061808, 1319216, 1484118, 1592712, 1813922, 1978824, 2123616, 2638432, 2720883, 2968236, 3185424, 3627844, 3957648, 5441766, 5936472, 6370848, 7255688, 7915296, 8162649, 10883532, 11872944, 14511376, 16325298, 21767064, 23745888, 29022752, 32650596, 43534128, 65301192, 87068256, 130602384, 261204768]

約数ペア:

[(1, 261204768), (2, 130602384), (3, 87068256), (4, 65301192), (6, 43534128), (8, 32650596), (9, 29022752), (11, 23745888), (12, 21767064), (16, 16325298), (18, 14511376), (22, 11872944), (24, 10883532), (32, 8162649), (33, 7915296), (36, 7255688), (41, 6370848), (44, 5936472), (48, 5441766), (66, 3957648), (72, 3627844), (82, 3185424), (88, 2968236), (96, 2720883), (99, 2638432), (123, 2123616), (132, 1978824), (144, 1813922), (164, 1592712), (176, 1484118), (198, 1319216), (246, 1061808), (264, 989412), (288, 906961), (328, 796356), (352, 742059), (369, 707872), (396, 659608), (451, 579168), (492, 530904), (528, 494706), (656, 398178), (738, 353936), (792, 329804), (902, 289584), (984, 265452), (1056, 247353), (1312, 199089), (1353, 193056), (1476, 176968), (1584, 164902), (1804, 144792), (1968, 132726), (2011, 129888), (2706, 96528), (2952, 88484), (3168, 82451), (3608, 72396), (3936, 66363), (4022, 64944), (4059, 64352), (5412, 48264), (5904, 44242), (6033, 43296), (7216, 36198), (8044, 32472), (8118, 32176), (10824, 24132), (11808, 22121), (12066, 21648), (14432, 18099), (16088, 16236)]