17779980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8009}}^1$

素因数の和:8058

約数の個数: 48

約数和(自身を含む): 51135840

約数和(自身を除く): 33355860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 8009, 16018, 24027, 32036, 40045, 48054, 80090, 96108, 120135, 160180, 240270, 296333, 480540, 592666, 888999, 1185332, 1481665, 1777998, 2963330, 3555996, 4444995, 5926660, 8889990, 17779980]

約数ペア:

[(1, 17779980), (2, 8889990), (3, 5926660), (4, 4444995), (5, 3555996), (6, 2963330), (10, 1777998), (12, 1481665), (15, 1185332), (20, 888999), (30, 592666), (37, 480540), (60, 296333), (74, 240270), (111, 160180), (148, 120135), (185, 96108), (222, 80090), (370, 48054), (444, 40045), (555, 32036), (740, 24027), (1110, 16018), (2220, 8009)]