78219540

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{20693}}^1$

素因数の和:20718

約数の個数: 96

約数和(自身を含む): 278127360

約数和(自身を除く): 199907820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 20693, 41386, 62079, 82772, 103465, 124158, 144851, 186237, 206930, 248316, 289702, 310395, 372474, 413860, 434553, 558711, 579404, 620790, 724255, 744948, 869106, 931185, 1117422, 1241580, 1303659, 1448510, 1738212, 1862370, 2172765, 2234844, 2607318, 2793555, 2897020, 3724740, 3910977, 4345530, 5214636, 5587110, 6518295, 7821954, 8691060, 11174220, 13036590, 15643908, 19554885, 26073180, 39109770, 78219540]

約数ペア:

[(1, 78219540), (2, 39109770), (3, 26073180), (4, 19554885), (5, 15643908), (6, 13036590), (7, 11174220), (9, 8691060), (10, 7821954), (12, 6518295), (14, 5587110), (15, 5214636), (18, 4345530), (20, 3910977), (21, 3724740), (27, 2897020), (28, 2793555), (30, 2607318), (35, 2234844), (36, 2172765), (42, 1862370), (45, 1738212), (54, 1448510), (60, 1303659), (63, 1241580), (70, 1117422), (84, 931185), (90, 869106), (105, 744948), (108, 724255), (126, 620790), (135, 579404), (140, 558711), (180, 434553), (189, 413860), (210, 372474), (252, 310395), (270, 289702), (315, 248316), (378, 206930), (420, 186237), (540, 144851), (630, 124158), (756, 103465), (945, 82772), (1260, 62079), (1890, 41386), (3780, 20693)]