26278140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 192

約数和(自身を含む): 91929600

約数和(自身を除く): 65651460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 37, 38, 42, 57, 60, 70, 74, 76, 84, 89, 95, 105, 111, 114, 133, 140, 148, 178, 185, 190, 210, 222, 228, 259, 266, 267, 285, 356, 370, 380, 399, 420, 444, 445, 518, 532, 534, 555, 570, 623, 665, 703, 740, 777, 798, 890, 1036, 1068, 1110, 1140, 1246, 1295, 1330, 1335, 1406, 1554, 1596, 1691, 1780, 1869, 1995, 2109, 2220, 2492, 2590, 2660, 2670, 2812, 3108, 3115, 3293, 3382, 3515, 3738, 3885, 3990, 4218, 4921, 5073, 5180, 5340, 6230, 6586, 6764, 7030, 7476, 7770, 7980, 8436, 8455, 9345, 9842, 9879, 10146, 10545, 11837, 12460, 13172, 14060, 14763, 15540, 16465, 16910, 18690, 19684, 19758, 20292, 21090, 23051, 23674, 24605, 25365, 29526, 32930, 33820, 35511, 37380, 39516, 42180, 46102, 47348, 49210, 49395, 50730, 59052, 59185, 62567, 65860, 69153, 71022, 73815, 92204, 98420, 98790, 101460, 115255, 118370, 125134, 138306, 142044, 147630, 177555, 187701, 197580, 230510, 236740, 250268, 276612, 295260, 312835, 345765, 355110, 375402, 437969, 461020, 625670, 691530, 710220, 750804, 875938, 938505, 1251340, 1313907, 1383060, 1751876, 1877010, 2189845, 2627814, 3754020, 4379690, 5255628, 6569535, 8759380, 13139070, 26278140]

約数ペア:

[(1, 26278140), (2, 13139070), (3, 8759380), (4, 6569535), (5, 5255628), (6, 4379690), (7, 3754020), (10, 2627814), (12, 2189845), (14, 1877010), (15, 1751876), (19, 1383060), (20, 1313907), (21, 1251340), (28, 938505), (30, 875938), (35, 750804), (37, 710220), (38, 691530), (42, 625670), (57, 461020), (60, 437969), (70, 375402), (74, 355110), (76, 345765), (84, 312835), (89, 295260), (95, 276612), (105, 250268), (111, 236740), (114, 230510), (133, 197580), (140, 187701), (148, 177555), (178, 147630), (185, 142044), (190, 138306), (210, 125134), (222, 118370), (228, 115255), (259, 101460), (266, 98790), (267, 98420), (285, 92204), (356, 73815), (370, 71022), (380, 69153), (399, 65860), (420, 62567), (444, 59185), (445, 59052), (518, 50730), (532, 49395), (534, 49210), (555, 47348), (570, 46102), (623, 42180), (665, 39516), (703, 37380), (740, 35511), (777, 33820), (798, 32930), (890, 29526), (1036, 25365), (1068, 24605), (1110, 23674), (1140, 23051), (1246, 21090), (1295, 20292), (1330, 19758), (1335, 19684), (1406, 18690), (1554, 16910), (1596, 16465), (1691, 15540), (1780, 14763), (1869, 14060), (1995, 13172), (2109, 12460), (2220, 11837), (2492, 10545), (2590, 10146), (2660, 9879), (2670, 9842), (2812, 9345), (3108, 8455), (3115, 8436), (3293, 7980), (3382, 7770), (3515, 7476), (3738, 7030), (3885, 6764), (3990, 6586), (4218, 6230), (4921, 5340), (5073, 5180)]