128255856

素因数分解:

$2^4\times 3^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:606

約数の個数: 80

約数和(自身を含む): 341644800

約数和(自身を除く): 213388944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 47, 48, 94, 139, 141, 188, 278, 282, 376, 409, 417, 556, 564, 752, 818, 834, 1112, 1128, 1227, 1636, 1668, 2224, 2256, 2454, 3272, 3336, 4908, 6533, 6544, 6672, 9816, 13066, 19223, 19599, 19632, 26132, 38446, 39198, 52264, 56851, 57669, 76892, 78396, 104528, 113702, 115338, 153784, 156792, 170553, 227404, 230676, 307568, 313584, 341106, 454808, 461352, 682212, 909616, 922704, 1364424, 2671997, 2728848, 5343994, 8015991, 10687988, 16031982, 21375976, 32063964, 42751952, 64127928, 128255856]

約数ペア:

[(1, 128255856), (2, 64127928), (3, 42751952), (4, 32063964), (6, 21375976), (8, 16031982), (12, 10687988), (16, 8015991), (24, 5343994), (47, 2728848), (48, 2671997), (94, 1364424), (139, 922704), (141, 909616), (188, 682212), (278, 461352), (282, 454808), (376, 341106), (409, 313584), (417, 307568), (556, 230676), (564, 227404), (752, 170553), (818, 156792), (834, 153784), (1112, 115338), (1128, 113702), (1227, 104528), (1636, 78396), (1668, 76892), (2224, 57669), (2256, 56851), (2454, 52264), (3272, 39198), (3336, 38446), (4908, 26132), (6533, 19632), (6544, 19599), (6672, 19223), (9816, 13066)]