77268520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1693}}^1$

素因数の和:1874

約数の個数: 64

約数和(自身を含む): 200027520

約数和(自身を除く): 122759000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 1141, 1304, 1630, 1693, 2282, 3260, 3386, 4564, 5705, 6520, 6772, 8465, 9128, 11410, 11851, 13544, 16930, 22820, 23702, 33860, 45640, 47404, 59255, 67720, 94808, 118510, 237020, 275959, 474040, 551918, 1103836, 1379795, 1931713, 2207672, 2759590, 3863426, 5519180, 7726852, 9658565, 11038360, 15453704, 19317130, 38634260, 77268520]

約数ペア:

[(1, 77268520), (2, 38634260), (4, 19317130), (5, 15453704), (7, 11038360), (8, 9658565), (10, 7726852), (14, 5519180), (20, 3863426), (28, 2759590), (35, 2207672), (40, 1931713), (56, 1379795), (70, 1103836), (140, 551918), (163, 474040), (280, 275959), (326, 237020), (652, 118510), (815, 94808), (1141, 67720), (1304, 59255), (1630, 47404), (1693, 45640), (2282, 33860), (3260, 23702), (3386, 22820), (4564, 16930), (5705, 13544), (6520, 11851), (6772, 11410), (8465, 9128)]