12785940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{283}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 39076128

約数和(自身を除く): 26290188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 283, 502, 566, 753, 849, 1004, 1132, 1255, 1415, 1506, 1698, 2259, 2510, 2547, 2830, 3012, 3396, 3765, 4245, 4518, 5020, 5094, 5660, 7530, 8490, 9036, 10188, 11295, 12735, 15060, 16980, 22590, 25470, 45180, 50940, 71033, 142066, 213099, 284132, 355165, 426198, 639297, 710330, 852396, 1065495, 1278594, 1420660, 2130990, 2557188, 3196485, 4261980, 6392970, 12785940]

約数ペア:

[(1, 12785940), (2, 6392970), (3, 4261980), (4, 3196485), (5, 2557188), (6, 2130990), (9, 1420660), (10, 1278594), (12, 1065495), (15, 852396), (18, 710330), (20, 639297), (30, 426198), (36, 355165), (45, 284132), (60, 213099), (90, 142066), (180, 71033), (251, 50940), (283, 45180), (502, 25470), (566, 22590), (753, 16980), (849, 15060), (1004, 12735), (1132, 11295), (1255, 10188), (1415, 9036), (1506, 8490), (1698, 7530), (2259, 5660), (2510, 5094), (2547, 5020), (2830, 4518), (3012, 4245), (3396, 3765)]