1261624860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{64303}}^1$

素因数の和:64427

約数の個数: 72

約数和(自身を含む): 3862098240

約数和(自身を除く): 2600473380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 3270, 3924, 4905, 6540, 9810, 19620, 64303, 128606, 192909, 257212, 321515, 385818, 578727, 643030, 771636, 964545, 1157454, 1286060, 1929090, 2314908, 2893635, 3858180, 5787270, 7009027, 11574540, 14018054, 21027081, 28036108, 35045135, 42054162, 63081243, 70090270, 84108324, 105135405, 126162486, 140180540, 210270810, 252324972, 315406215, 420541620, 630812430, 1261624860]

約数ペア:

[(1, 1261624860), (2, 630812430), (3, 420541620), (4, 315406215), (5, 252324972), (6, 210270810), (9, 140180540), (10, 126162486), (12, 105135405), (15, 84108324), (18, 70090270), (20, 63081243), (30, 42054162), (36, 35045135), (45, 28036108), (60, 21027081), (90, 14018054), (109, 11574540), (180, 7009027), (218, 5787270), (327, 3858180), (436, 2893635), (545, 2314908), (654, 1929090), (981, 1286060), (1090, 1157454), (1308, 964545), (1635, 771636), (1962, 643030), (2180, 578727), (3270, 385818), (3924, 321515), (4905, 257212), (6540, 192909), (9810, 128606), (19620, 64303)]