68668740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{54499}}^1$

素因数の和:54521

約数の個数: 72

約数和(自身を含む): 238056000

約数和(自身を除く): 169387260

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, 54499, 108998, 163497, 217996, 272495, 326994, 381493, 490491, 544990, 653988, 762986, 817485, 980982, 1089980, 1144479, 1525972, 1634970, 1907465, 1961964, 2288958, 2452455, 3269940, 3433437, 3814930, 4577916, 4904910, 5722395, 6866874, 7629860, 9809820, 11444790, 13733748, 17167185, 22889580, 34334370, 68668740]

約数ペア:

[(1, 68668740), (2, 34334370), (3, 22889580), (4, 17167185), (5, 13733748), (6, 11444790), (7, 9809820), (9, 7629860), (10, 6866874), (12, 5722395), (14, 4904910), (15, 4577916), (18, 3814930), (20, 3433437), (21, 3269940), (28, 2452455), (30, 2288958), (35, 1961964), (36, 1907465), (42, 1634970), (45, 1525972), (60, 1144479), (63, 1089980), (70, 980982), (84, 817485), (90, 762986), (105, 653988), (126, 544990), (140, 490491), (180, 381493), (210, 326994), (252, 272495), (315, 217996), (420, 163497), (630, 108998), (1260, 54499)]