256537008

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19577}}^1$

素因数の和:19611

約数の個数: 120

約数和(自身を含む): 883672608

約数和(自身を除く): 627135600

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 104, 112, 117, 126, 144, 156, 168, 182, 208, 234, 252, 273, 312, 336, 364, 468, 504, 546, 624, 728, 819, 936, 1008, 1092, 1456, 1638, 1872, 2184, 3276, 4368, 6552, 13104, 19577, 39154, 58731, 78308, 117462, 137039, 156616, 176193, 234924, 254501, 274078, 313232, 352386, 411117, 469848, 509002, 548156, 704772, 763503, 822234, 939696, 1018004, 1096312, 1233351, 1409544, 1527006, 1644468, 1781507, 2036008, 2192624, 2290509, 2466702, 2819088, 3054012, 3288936, 3563014, 4072016, 4581018, 4933404, 5344521, 6108024, 6577872, 7126028, 9162036, 9866808, 10689042, 12216048, 14252056, 16033563, 18324072, 19733616, 21378084, 28504112, 32067126, 36648144, 42756168, 64134252, 85512336, 128268504, 256537008]

約数ペア:

[(1, 256537008), (2, 128268504), (3, 85512336), (4, 64134252), (6, 42756168), (7, 36648144), (8, 32067126), (9, 28504112), (12, 21378084), (13, 19733616), (14, 18324072), (16, 16033563), (18, 14252056), (21, 12216048), (24, 10689042), (26, 9866808), (28, 9162036), (36, 7126028), (39, 6577872), (42, 6108024), (48, 5344521), (52, 4933404), (56, 4581018), (63, 4072016), (72, 3563014), (78, 3288936), (84, 3054012), (91, 2819088), (104, 2466702), (112, 2290509), (117, 2192624), (126, 2036008), (144, 1781507), (156, 1644468), (168, 1527006), (182, 1409544), (208, 1233351), (234, 1096312), (252, 1018004), (273, 939696), (312, 822234), (336, 763503), (364, 704772), (468, 548156), (504, 509002), (546, 469848), (624, 411117), (728, 352386), (819, 313232), (936, 274078), (1008, 254501), (1092, 234924), (1456, 176193), (1638, 156616), (1872, 137039), (2184, 117462), (3276, 78308), (4368, 58731), (6552, 39154), (13104, 19577)]