256108740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251087}}^1$

素因数の和:251116

約数の個数: 48

約数和(自身を含む): 759290112

約数和(自身を除く): 503181372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 251087, 502174, 753261, 1004348, 1255435, 1506522, 2510870, 3013044, 3766305, 4268479, 5021740, 7532610, 8536958, 12805437, 15065220, 17073916, 21342395, 25610874, 42684790, 51221748, 64027185, 85369580, 128054370, 256108740]

約数ペア:

[(1, 256108740), (2, 128054370), (3, 85369580), (4, 64027185), (5, 51221748), (6, 42684790), (10, 25610874), (12, 21342395), (15, 17073916), (17, 15065220), (20, 12805437), (30, 8536958), (34, 7532610), (51, 5021740), (60, 4268479), (68, 3766305), (85, 3013044), (102, 2510870), (170, 1506522), (204, 1255435), (255, 1004348), (340, 753261), (510, 502174), (1020, 251087)]