81335640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{2909}}^1$

素因数の和:3156

約数の個数: 64

約数和(自身を含む): 245138400

約数和(自身を除く): 163802760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 233, 466, 699, 932, 1165, 1398, 1864, 2330, 2796, 2909, 3495, 4660, 5592, 5818, 6990, 8727, 9320, 11636, 13980, 14545, 17454, 23272, 27960, 29090, 34908, 43635, 58180, 69816, 87270, 116360, 174540, 349080, 677797, 1355594, 2033391, 2711188, 3388985, 4066782, 5422376, 6777970, 8133564, 10166955, 13555940, 16267128, 20333910, 27111880, 40667820, 81335640]

約数ペア:

[(1, 81335640), (2, 40667820), (3, 27111880), (4, 20333910), (5, 16267128), (6, 13555940), (8, 10166955), (10, 8133564), (12, 6777970), (15, 5422376), (20, 4066782), (24, 3388985), (30, 2711188), (40, 2033391), (60, 1355594), (120, 677797), (233, 349080), (466, 174540), (699, 116360), (932, 87270), (1165, 69816), (1398, 58180), (1864, 43635), (2330, 34908), (2796, 29090), (2909, 27960), (3495, 23272), (4660, 17454), (5592, 14545), (5818, 13980), (6990, 11636), (8727, 9320)]