128403756

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 371804160

約数和(自身を除く): 243400404

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 79, 92, 117, 138, 151, 156, 158, 207, 234, 237, 276, 299, 302, 316, 414, 453, 468, 474, 598, 604, 711, 828, 897, 906, 948, 1027, 1196, 1359, 1422, 1794, 1812, 1817, 1963, 2054, 2691, 2718, 2844, 3081, 3473, 3588, 3634, 3926, 4108, 5382, 5436, 5451, 5889, 6162, 6946, 7268, 7852, 9243, 10419, 10764, 10902, 11778, 11929, 12324, 13892, 16353, 17667, 18486, 20838, 21804, 23556, 23621, 23858, 31257, 32706, 35334, 35787, 36972, 41676, 45149, 47242, 47716, 62514, 65412, 70668, 70863, 71574, 90298, 94484, 107361, 125028, 135447, 141726, 143148, 155077, 180596, 212589, 214722, 270894, 274367, 283452, 310154, 406341, 425178, 429444, 465231, 541788, 548734, 620308, 812682, 823101, 850356, 930462, 1097468, 1395693, 1625364, 1646202, 1860924, 2469303, 2791386, 3292404, 3566771, 4938606, 5582772, 7133542, 9877212, 10700313, 14267084, 21400626, 32100939, 42801252, 64201878, 128403756]

約数ペア:

[(1, 128403756), (2, 64201878), (3, 42801252), (4, 32100939), (6, 21400626), (9, 14267084), (12, 10700313), (13, 9877212), (18, 7133542), (23, 5582772), (26, 4938606), (36, 3566771), (39, 3292404), (46, 2791386), (52, 2469303), (69, 1860924), (78, 1646202), (79, 1625364), (92, 1395693), (117, 1097468), (138, 930462), (151, 850356), (156, 823101), (158, 812682), (207, 620308), (234, 548734), (237, 541788), (276, 465231), (299, 429444), (302, 425178), (316, 406341), (414, 310154), (453, 283452), (468, 274367), (474, 270894), (598, 214722), (604, 212589), (711, 180596), (828, 155077), (897, 143148), (906, 141726), (948, 135447), (1027, 125028), (1196, 107361), (1359, 94484), (1422, 90298), (1794, 71574), (1812, 70863), (1817, 70668), (1963, 65412), (2054, 62514), (2691, 47716), (2718, 47242), (2844, 45149), (3081, 41676), (3473, 36972), (3588, 35787), (3634, 35334), (3926, 32706), (4108, 31257), (5382, 23858), (5436, 23621), (5451, 23556), (5889, 21804), (6162, 20838), (6946, 18486), (7268, 17667), (7852, 16353), (9243, 13892), (10419, 12324), (10764, 11929), (10902, 11778)]