51218370

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{81299}}^1$

素因数の和:81319

約数の個数: 48

約数和(自身を含む): 152193600

約数和(自身を除く): 100975230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 81299, 162598, 243897, 406495, 487794, 569093, 731691, 812990, 1138186, 1219485, 1463382, 1707279, 2438970, 2845465, 3414558, 3658455, 5121837, 5690930, 7316910, 8536395, 10243674, 17072790, 25609185, 51218370]

約数ペア:

[(1, 51218370), (2, 25609185), (3, 17072790), (5, 10243674), (6, 8536395), (7, 7316910), (9, 5690930), (10, 5121837), (14, 3658455), (15, 3414558), (18, 2845465), (21, 2438970), (30, 1707279), (35, 1463382), (42, 1219485), (45, 1138186), (63, 812990), (70, 731691), (90, 569093), (105, 487794), (126, 406495), (210, 243897), (315, 162598), (630, 81299)]