256107810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{24889}}^1$

素因数の和:24920

約数の個数: 64

約数和(自身を含む): 716832000

約数和(自身を除く): 460724190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1470, 1715, 2058, 3430, 5145, 10290, 24889, 49778, 74667, 124445, 149334, 174223, 248890, 348446, 373335, 522669, 746670, 871115, 1045338, 1219561, 1742230, 2439122, 2613345, 3658683, 5226690, 6097805, 7317366, 8536927, 12195610, 17073854, 18293415, 25610781, 36586830, 42684635, 51221562, 85369270, 128053905, 256107810]

約数ペア:

[(1, 256107810), (2, 128053905), (3, 85369270), (5, 51221562), (6, 42684635), (7, 36586830), (10, 25610781), (14, 18293415), (15, 17073854), (21, 12195610), (30, 8536927), (35, 7317366), (42, 6097805), (49, 5226690), (70, 3658683), (98, 2613345), (105, 2439122), (147, 1742230), (210, 1219561), (245, 1045338), (294, 871115), (343, 746670), (490, 522669), (686, 373335), (735, 348446), (1029, 248890), (1470, 174223), (1715, 149334), (2058, 124445), (3430, 74667), (5145, 49778), (10290, 24889)]