215514640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6619}}^1$

素因数の和:6680

約数の個数: 80

約数和(自身を含む): 561481920

約数和(自身を除く): 345967280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 814, 880, 1480, 1628, 2035, 2960, 3256, 4070, 6512, 6619, 8140, 13238, 16280, 26476, 32560, 33095, 52952, 66190, 72809, 105904, 132380, 145618, 244903, 264760, 291236, 364045, 489806, 529520, 582472, 728090, 979612, 1164944, 1224515, 1456180, 1959224, 2449030, 2693933, 2912360, 3918448, 4898060, 5387866, 5824720, 9796120, 10775732, 13469665, 19592240, 21551464, 26939330, 43102928, 53878660, 107757320, 215514640]

約数ペア:

[(1, 215514640), (2, 107757320), (4, 53878660), (5, 43102928), (8, 26939330), (10, 21551464), (11, 19592240), (16, 13469665), (20, 10775732), (22, 9796120), (37, 5824720), (40, 5387866), (44, 4898060), (55, 3918448), (74, 2912360), (80, 2693933), (88, 2449030), (110, 1959224), (148, 1456180), (176, 1224515), (185, 1164944), (220, 979612), (296, 728090), (370, 582472), (407, 529520), (440, 489806), (592, 364045), (740, 291236), (814, 264760), (880, 244903), (1480, 145618), (1628, 132380), (2035, 105904), (2960, 72809), (3256, 66190), (4070, 52952), (6512, 33095), (6619, 32560), (8140, 26476), (13238, 16280)]