78128820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1879}}^1$

素因数の和:1915

約数の個数: 192

約数和(自身を含む): 303206400

約数和(自身を除く): 225077580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 54, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 108, 110, 126, 132, 135, 140, 154, 165, 180, 189, 198, 210, 220, 231, 252, 270, 297, 308, 315, 330, 378, 385, 396, 420, 462, 495, 540, 594, 630, 660, 693, 756, 770, 924, 945, 990, 1155, 1188, 1260, 1386, 1485, 1540, 1879, 1890, 1980, 2079, 2310, 2772, 2970, 3465, 3758, 3780, 4158, 4620, 5637, 5940, 6930, 7516, 8316, 9395, 10395, 11274, 13153, 13860, 16911, 18790, 20669, 20790, 22548, 26306, 28185, 33822, 37580, 39459, 41338, 41580, 50733, 52612, 56370, 62007, 65765, 67644, 78918, 82676, 84555, 101466, 103345, 112740, 118377, 124014, 131530, 144683, 157836, 169110, 186021, 197295, 202932, 206690, 236754, 248028, 253665, 263060, 289366, 310035, 338220, 355131, 372042, 394590, 413380, 434049, 473508, 507330, 558063, 578732, 591885, 620070, 710262, 723415, 744084, 789180, 868098, 930105, 1014660, 1116126, 1183770, 1240140, 1302147, 1420524, 1446830, 1736196, 1775655, 1860210, 2170245, 2232252, 2367540, 2604294, 2790315, 2893660, 3551310, 3720420, 3906441, 4340490, 5208588, 5580630, 6510735, 7102620, 7812882, 8680980, 11161260, 13021470, 15625764, 19532205, 26042940, 39064410, 78128820]

約数ペア:

[(1, 78128820), (2, 39064410), (3, 26042940), (4, 19532205), (5, 15625764), (6, 13021470), (7, 11161260), (9, 8680980), (10, 7812882), (11, 7102620), (12, 6510735), (14, 5580630), (15, 5208588), (18, 4340490), (20, 3906441), (21, 3720420), (22, 3551310), (27, 2893660), (28, 2790315), (30, 2604294), (33, 2367540), (35, 2232252), (36, 2170245), (42, 1860210), (44, 1775655), (45, 1736196), (54, 1446830), (55, 1420524), (60, 1302147), (63, 1240140), (66, 1183770), (70, 1116126), (77, 1014660), (84, 930105), (90, 868098), (99, 789180), (105, 744084), (108, 723415), (110, 710262), (126, 620070), (132, 591885), (135, 578732), (140, 558063), (154, 507330), (165, 473508), (180, 434049), (189, 413380), (198, 394590), (210, 372042), (220, 355131), (231, 338220), (252, 310035), (270, 289366), (297, 263060), (308, 253665), (315, 248028), (330, 236754), (378, 206690), (385, 202932), (396, 197295), (420, 186021), (462, 169110), (495, 157836), (540, 144683), (594, 131530), (630, 124014), (660, 118377), (693, 112740), (756, 103345), (770, 101466), (924, 84555), (945, 82676), (990, 78918), (1155, 67644), (1188, 65765), (1260, 62007), (1386, 56370), (1485, 52612), (1540, 50733), (1879, 41580), (1890, 41338), (1980, 39459), (2079, 37580), (2310, 33822), (2772, 28185), (2970, 26306), (3465, 22548), (3758, 20790), (3780, 20669), (4158, 18790), (4620, 16911), (5637, 13860), (5940, 13153), (6930, 11274), (7516, 10395), (8316, 9395)]