2561559312

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{178481}}^1$

素因数の和:178528

約数の個数: 80

約数和(自身を含む): 7436274048

約数和(自身を除く): 4874714736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 39, 46, 48, 52, 69, 78, 92, 104, 138, 156, 184, 208, 276, 299, 312, 368, 552, 598, 624, 897, 1104, 1196, 1794, 2392, 3588, 4784, 7176, 14352, 178481, 356962, 535443, 713924, 1070886, 1427848, 2141772, 2320253, 2855696, 4105063, 4283544, 4640506, 6960759, 8210126, 8567088, 9281012, 12315189, 13921518, 16420252, 18562024, 24630378, 27843036, 32840504, 37124048, 49260756, 53365819, 55686072, 65681008, 98521512, 106731638, 111372144, 160097457, 197043024, 213463276, 320194914, 426926552, 640389828, 853853104, 1280779656, 2561559312]

約数ペア:

[(1, 2561559312), (2, 1280779656), (3, 853853104), (4, 640389828), (6, 426926552), (8, 320194914), (12, 213463276), (13, 197043024), (16, 160097457), (23, 111372144), (24, 106731638), (26, 98521512), (39, 65681008), (46, 55686072), (48, 53365819), (52, 49260756), (69, 37124048), (78, 32840504), (92, 27843036), (104, 24630378), (138, 18562024), (156, 16420252), (184, 13921518), (208, 12315189), (276, 9281012), (299, 8567088), (312, 8210126), (368, 6960759), (552, 4640506), (598, 4283544), (624, 4105063), (897, 2855696), (1104, 2320253), (1196, 2141772), (1794, 1427848), (2392, 1070886), (3588, 713924), (4784, 535443), (7176, 356962), (14352, 178481)]