256293648

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4721}}^1$

素因数の和:4777

約数の個数: 120

約数和(自身を含む): 799245720

約数和(自身を除く): 542952072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 29, 36, 39, 48, 52, 58, 72, 78, 87, 104, 116, 117, 144, 156, 174, 208, 232, 234, 261, 312, 348, 377, 464, 468, 522, 624, 696, 754, 936, 1044, 1131, 1392, 1508, 1872, 2088, 2262, 3016, 3393, 4176, 4524, 4721, 6032, 6786, 9048, 9442, 13572, 14163, 18096, 18884, 27144, 28326, 37768, 42489, 54288, 56652, 61373, 75536, 84978, 113304, 122746, 136909, 169956, 184119, 226608, 245492, 273818, 339912, 368238, 410727, 490984, 547636, 552357, 679824, 736476, 821454, 981968, 1095272, 1104714, 1232181, 1472952, 1642908, 1779817, 2190544, 2209428, 2464362, 2945904, 3285816, 3559634, 4418856, 4928724, 5339451, 6571632, 7119268, 8837712, 9857448, 10678902, 14238536, 16018353, 19714896, 21357804, 28477072, 32036706, 42715608, 64073412, 85431216, 128146824, 256293648]

約数ペア:

[(1, 256293648), (2, 128146824), (3, 85431216), (4, 64073412), (6, 42715608), (8, 32036706), (9, 28477072), (12, 21357804), (13, 19714896), (16, 16018353), (18, 14238536), (24, 10678902), (26, 9857448), (29, 8837712), (36, 7119268), (39, 6571632), (48, 5339451), (52, 4928724), (58, 4418856), (72, 3559634), (78, 3285816), (87, 2945904), (104, 2464362), (116, 2209428), (117, 2190544), (144, 1779817), (156, 1642908), (174, 1472952), (208, 1232181), (232, 1104714), (234, 1095272), (261, 981968), (312, 821454), (348, 736476), (377, 679824), (464, 552357), (468, 547636), (522, 490984), (624, 410727), (696, 368238), (754, 339912), (936, 273818), (1044, 245492), (1131, 226608), (1392, 184119), (1508, 169956), (1872, 136909), (2088, 122746), (2262, 113304), (3016, 84978), (3393, 75536), (4176, 61373), (4524, 56652), (4721, 54288), (6032, 42489), (6786, 37768), (9048, 28326), (9442, 27144), (13572, 18884), (14163, 18096)]