255847480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{12517}}^1$

素因数の和:12608

約数の個数: 64

約数和(自身を含む): 666959040

約数和(自身を除く): 411111560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 5110, 10220, 12517, 20440, 25034, 50068, 62585, 87619, 100136, 125170, 175238, 250340, 350476, 438095, 500680, 700952, 876190, 913741, 1752380, 1827482, 3504760, 3654964, 4568705, 6396187, 7309928, 9137410, 12792374, 18274820, 25584748, 31980935, 36549640, 51169496, 63961870, 127923740, 255847480]

約数ペア:

[(1, 255847480), (2, 127923740), (4, 63961870), (5, 51169496), (7, 36549640), (8, 31980935), (10, 25584748), (14, 18274820), (20, 12792374), (28, 9137410), (35, 7309928), (40, 6396187), (56, 4568705), (70, 3654964), (73, 3504760), (140, 1827482), (146, 1752380), (280, 913741), (292, 876190), (365, 700952), (511, 500680), (584, 438095), (730, 350476), (1022, 250340), (1460, 175238), (2044, 125170), (2555, 100136), (2920, 87619), (4088, 62585), (5110, 50068), (10220, 25034), (12517, 20440)]