254937480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{303497}}^1$

素因数の和:303518

約数の個数: 64

約数和(自身を含む): 874074240

約数和(自身を除く): 619136760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 303497, 606994, 910491, 1213988, 1517485, 1820982, 2124479, 2427976, 3034970, 3641964, 4248958, 4552455, 6069940, 6373437, 7283928, 8497916, 9104910, 10622395, 12139880, 12746874, 16995832, 18209820, 21244790, 25493748, 31867185, 36419640, 42489580, 50987496, 63734370, 84979160, 127468740, 254937480]

約数ペア:

[(1, 254937480), (2, 127468740), (3, 84979160), (4, 63734370), (5, 50987496), (6, 42489580), (7, 36419640), (8, 31867185), (10, 25493748), (12, 21244790), (14, 18209820), (15, 16995832), (20, 12746874), (21, 12139880), (24, 10622395), (28, 9104910), (30, 8497916), (35, 7283928), (40, 6373437), (42, 6069940), (56, 4552455), (60, 4248958), (70, 3641964), (84, 3034970), (105, 2427976), (120, 2124479), (140, 1820982), (168, 1517485), (210, 1213988), (280, 910491), (420, 606994), (840, 303497)]