68720880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6659}}^1$

素因数の和:6718

約数の個数: 80

約数和(自身を含む): 218021760

約数和(自身を除く): 149300880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 6659, 10320, 13318, 19977, 26636, 33295, 39954, 53272, 66590, 79908, 99885, 106544, 133180, 159816, 199770, 266360, 286337, 319632, 399540, 532720, 572674, 799080, 859011, 1145348, 1431685, 1598160, 1718022, 2290696, 2863370, 3436044, 4295055, 4581392, 5726740, 6872088, 8590110, 11453480, 13744176, 17180220, 22906960, 34360440, 68720880]

約数ペア:

[(1, 68720880), (2, 34360440), (3, 22906960), (4, 17180220), (5, 13744176), (6, 11453480), (8, 8590110), (10, 6872088), (12, 5726740), (15, 4581392), (16, 4295055), (20, 3436044), (24, 2863370), (30, 2290696), (40, 1718022), (43, 1598160), (48, 1431685), (60, 1145348), (80, 859011), (86, 799080), (120, 572674), (129, 532720), (172, 399540), (215, 319632), (240, 286337), (258, 266360), (344, 199770), (430, 159816), (516, 133180), (645, 106544), (688, 99885), (860, 79908), (1032, 66590), (1290, 53272), (1720, 39954), (2064, 33295), (2580, 26636), (3440, 19977), (5160, 13318), (6659, 10320)]