31873860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7699}}^1$

素因数の和:7737

約数の個数: 72

約数和(自身を含む): 100900800

約数和(自身を除く): 69026940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 7699, 15398, 23097, 30796, 38495, 46194, 69291, 76990, 92388, 115485, 138582, 153980, 177077, 230970, 277164, 346455, 354154, 461940, 531231, 692910, 708308, 885385, 1062462, 1385820, 1593693, 1770770, 2124924, 2656155, 3187386, 3541540, 5312310, 6374772, 7968465, 10624620, 15936930, 31873860]

約数ペア:

[(1, 31873860), (2, 15936930), (3, 10624620), (4, 7968465), (5, 6374772), (6, 5312310), (9, 3541540), (10, 3187386), (12, 2656155), (15, 2124924), (18, 1770770), (20, 1593693), (23, 1385820), (30, 1062462), (36, 885385), (45, 708308), (46, 692910), (60, 531231), (69, 461940), (90, 354154), (92, 346455), (115, 277164), (138, 230970), (180, 177077), (207, 153980), (230, 138582), (276, 115485), (345, 92388), (414, 76990), (460, 69291), (690, 46194), (828, 38495), (1035, 30796), (1380, 23097), (2070, 15398), (4140, 7699)]