80279820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{683}}^1$

素因数の和:1351

約数の個数: 72

約数和(自身を含む): 244245456

約数和(自身を除く): 163965636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 653, 683, 1306, 1366, 1959, 2049, 2612, 2732, 3265, 3415, 3918, 4098, 5877, 6147, 6530, 6830, 7836, 8196, 9795, 10245, 11754, 12294, 13060, 13660, 19590, 20490, 23508, 24588, 29385, 30735, 39180, 40980, 58770, 61470, 117540, 122940, 445999, 891998, 1337997, 1783996, 2229995, 2675994, 4013991, 4459990, 5351988, 6689985, 8027982, 8919980, 13379970, 16055964, 20069955, 26759940, 40139910, 80279820]

約数ペア:

[(1, 80279820), (2, 40139910), (3, 26759940), (4, 20069955), (5, 16055964), (6, 13379970), (9, 8919980), (10, 8027982), (12, 6689985), (15, 5351988), (18, 4459990), (20, 4013991), (30, 2675994), (36, 2229995), (45, 1783996), (60, 1337997), (90, 891998), (180, 445999), (653, 122940), (683, 117540), (1306, 61470), (1366, 58770), (1959, 40980), (2049, 39180), (2612, 30735), (2732, 29385), (3265, 24588), (3415, 23508), (3918, 20490), (4098, 19590), (5877, 13660), (6147, 13060), (6530, 12294), (6830, 11754), (7836, 10245), (8196, 9795)]