1664759940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1367}}^1\times {\mathrm{20297}}^1$

素因数の和:21676

約数の個数: 48

約数和(自身を含む): 4664967552

約数和(自身を除く): 3000207612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1367, 2734, 4101, 5468, 6835, 8202, 13670, 16404, 20297, 20505, 27340, 40594, 41010, 60891, 81188, 82020, 101485, 121782, 202970, 243564, 304455, 405940, 608910, 1217820, 27745999, 55491998, 83237997, 110983996, 138729995, 166475994, 277459990, 332951988, 416189985, 554919980, 832379970, 1664759940]

約数ペア:

[(1, 1664759940), (2, 832379970), (3, 554919980), (4, 416189985), (5, 332951988), (6, 277459990), (10, 166475994), (12, 138729995), (15, 110983996), (20, 83237997), (30, 55491998), (60, 27745999), (1367, 1217820), (2734, 608910), (4101, 405940), (5468, 304455), (6835, 243564), (8202, 202970), (13670, 121782), (16404, 101485), (20297, 82020), (20505, 81188), (27340, 60891), (40594, 41010)]