68369840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1009}}^1$

素因数の和:1051

約数の個数: 120

約数和(自身を含む): 199883040

約数和(自身を除く): 131513200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 280, 308, 385, 440, 484, 560, 605, 616, 770, 847, 880, 968, 1009, 1210, 1232, 1540, 1694, 1936, 2018, 2420, 3080, 3388, 4036, 4235, 4840, 5045, 6160, 6776, 7063, 8072, 8470, 9680, 10090, 11099, 13552, 14126, 16144, 16940, 20180, 22198, 28252, 33880, 35315, 40360, 44396, 55495, 56504, 67760, 70630, 77693, 80720, 88792, 110990, 113008, 122089, 141260, 155386, 177584, 221980, 244178, 282520, 310772, 388465, 443960, 488356, 565040, 610445, 621544, 776930, 854623, 887920, 976712, 1220890, 1243088, 1553860, 1709246, 1953424, 2441780, 3107720, 3418492, 4273115, 4883560, 6215440, 6836984, 8546230, 9767120, 13673968, 17092460, 34184920, 68369840]

約数ペア:

[(1, 68369840), (2, 34184920), (4, 17092460), (5, 13673968), (7, 9767120), (8, 8546230), (10, 6836984), (11, 6215440), (14, 4883560), (16, 4273115), (20, 3418492), (22, 3107720), (28, 2441780), (35, 1953424), (40, 1709246), (44, 1553860), (55, 1243088), (56, 1220890), (70, 976712), (77, 887920), (80, 854623), (88, 776930), (110, 621544), (112, 610445), (121, 565040), (140, 488356), (154, 443960), (176, 388465), (220, 310772), (242, 282520), (280, 244178), (308, 221980), (385, 177584), (440, 155386), (484, 141260), (560, 122089), (605, 113008), (616, 110990), (770, 88792), (847, 80720), (880, 77693), (968, 70630), (1009, 67760), (1210, 56504), (1232, 55495), (1540, 44396), (1694, 40360), (1936, 35315), (2018, 33880), (2420, 28252), (3080, 22198), (3388, 20180), (4036, 16940), (4235, 16144), (4840, 14126), (5045, 13552), (6160, 11099), (6776, 10090), (7063, 9680), (8072, 8470)]