265679820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{210857}}^1$

素因数の和:210879

約数の個数: 72

約数和(自身を含む): 921027744

約数和(自身を除く): 655347924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 210857, 421714, 632571, 843428, 1054285, 1265142, 1475999, 1897713, 2108570, 2530284, 2951998, 3162855, 3795426, 4217140, 4427997, 5903996, 6325710, 7379995, 7590852, 8855994, 9488565, 12651420, 13283991, 14759990, 17711988, 18977130, 22139985, 26567982, 29519980, 37954260, 44279970, 53135964, 66419955, 88559940, 132839910, 265679820]

約数ペア:

[(1, 265679820), (2, 132839910), (3, 88559940), (4, 66419955), (5, 53135964), (6, 44279970), (7, 37954260), (9, 29519980), (10, 26567982), (12, 22139985), (14, 18977130), (15, 17711988), (18, 14759990), (20, 13283991), (21, 12651420), (28, 9488565), (30, 8855994), (35, 7590852), (36, 7379995), (42, 6325710), (45, 5903996), (60, 4427997), (63, 4217140), (70, 3795426), (84, 3162855), (90, 2951998), (105, 2530284), (126, 2108570), (140, 1897713), (180, 1475999), (210, 1265142), (252, 1054285), (315, 843428), (420, 632571), (630, 421714), (1260, 210857)]