15661779980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10169987}}^1$

素因数の和:10170014

約数の個数: 48

約数和(自身を含む): 41005391616

約数和(自身を除く): 25343611636

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 10169987, 20339974, 40679948, 50849935, 71189909, 101699870, 111869857, 142379818, 203399740, 223739714, 284759636, 355949545, 447479428, 559349285, 711899090, 783088999, 1118698570, 1423798180, 1566177998, 2237397140, 3132355996, 3915444995, 7830889990, 15661779980]

約数ペア:

[(1, 15661779980), (2, 7830889990), (4, 3915444995), (5, 3132355996), (7, 2237397140), (10, 1566177998), (11, 1423798180), (14, 1118698570), (20, 783088999), (22, 711899090), (28, 559349285), (35, 447479428), (44, 355949545), (55, 284759636), (70, 223739714), (77, 203399740), (110, 142379818), (140, 111869857), (154, 101699870), (220, 71189909), (308, 50849935), (385, 40679948), (770, 20339974), (1540, 10169987)]