79217820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40009}}^1$

素因数の和:40035

約数の個数: 72

約数和(自身を含む): 262145520

約数和(自身を除く): 182927700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 40009, 80018, 120027, 160036, 200045, 240054, 360081, 400090, 440099, 480108, 600135, 720162, 800180, 880198, 1200270, 1320297, 1440324, 1760396, 1800405, 2200495, 2400540, 2640594, 3600810, 3960891, 4400990, 5281188, 6601485, 7201620, 7921782, 8801980, 13202970, 15843564, 19804455, 26405940, 39608910, 79217820]

約数ペア:

[(1, 79217820), (2, 39608910), (3, 26405940), (4, 19804455), (5, 15843564), (6, 13202970), (9, 8801980), (10, 7921782), (11, 7201620), (12, 6601485), (15, 5281188), (18, 4400990), (20, 3960891), (22, 3600810), (30, 2640594), (33, 2400540), (36, 2200495), (44, 1800405), (45, 1760396), (55, 1440324), (60, 1320297), (66, 1200270), (90, 880198), (99, 800180), (110, 720162), (132, 600135), (165, 480108), (180, 440099), (198, 400090), (220, 360081), (330, 240054), (396, 200045), (495, 160036), (660, 120027), (990, 80018), (1980, 40009)]