15993990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1601}}^1$

素因数の和:1654

約数の個数: 64

約数和(自身を含む): 43830720

約数和(自身を除く): 27836730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1110, 1601, 1665, 1998, 3202, 3330, 4803, 4995, 8005, 9606, 9990, 14409, 16010, 24015, 28818, 43227, 48030, 59237, 72045, 86454, 118474, 144090, 177711, 216135, 296185, 355422, 432270, 533133, 592370, 888555, 1066266, 1599399, 1777110, 2665665, 3198798, 5331330, 7996995, 15993990]

約数ペア:

[(1, 15993990), (2, 7996995), (3, 5331330), (5, 3198798), (6, 2665665), (9, 1777110), (10, 1599399), (15, 1066266), (18, 888555), (27, 592370), (30, 533133), (37, 432270), (45, 355422), (54, 296185), (74, 216135), (90, 177711), (111, 144090), (135, 118474), (185, 86454), (222, 72045), (270, 59237), (333, 48030), (370, 43227), (555, 28818), (666, 24015), (999, 16010), (1110, 14409), (1601, 9990), (1665, 9606), (1998, 8005), (3202, 4995), (3330, 4803)]