231331920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1$

素因数の和:154

約数の個数: 240

約数和(自身を含む): 797895360

約数和(自身を除く): 566563440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 34, 40, 48, 51, 59, 60, 62, 68, 80, 85, 93, 102, 118, 120, 124, 136, 155, 170, 177, 186, 204, 236, 240, 248, 255, 272, 295, 310, 340, 354, 372, 408, 465, 472, 496, 510, 527, 590, 620, 680, 708, 744, 816, 885, 930, 944, 961, 1003, 1020, 1054, 1180, 1240, 1360, 1416, 1488, 1581, 1770, 1829, 1860, 1922, 2006, 2040, 2108, 2360, 2480, 2635, 2832, 2883, 3009, 3162, 3540, 3658, 3720, 3844, 4012, 4080, 4216, 4720, 4805, 5015, 5270, 5487, 5766, 6018, 6324, 7080, 7316, 7440, 7688, 7905, 8024, 8432, 9145, 9610, 10030, 10540, 10974, 11532, 12036, 12648, 14160, 14415, 14632, 15045, 15376, 15810, 16048, 16337, 18290, 19220, 20060, 21080, 21948, 23064, 24072, 25296, 27435, 28830, 29264, 30090, 31093, 31620, 32674, 36580, 38440, 40120, 42160, 43896, 46128, 48144, 49011, 54870, 56699, 57660, 60180, 62186, 63240, 65348, 73160, 76880, 80240, 81685, 87792, 93279, 98022, 109740, 113398, 115320, 120360, 124372, 126480, 130696, 146320, 155465, 163370, 170097, 186558, 196044, 219480, 226796, 230640, 240720, 245055, 248744, 261392, 283495, 310930, 326740, 340194, 373116, 392088, 438960, 453592, 466395, 490110, 497488, 566990, 621860, 653480, 680388, 746232, 784176, 850485, 907184, 932790, 963883, 980220, 1133980, 1243720, 1306960, 1360776, 1492464, 1700970, 1865580, 1927766, 1960440, 2267960, 2487440, 2721552, 2891649, 3401940, 3731160, 3855532, 3920880, 4535920, 4819415, 5783298, 6803880, 7462320, 7711064, 9638830, 11566596, 13607760, 14458245, 15422128, 19277660, 23133192, 28916490, 38555320, 46266384, 57832980, 77110640, 115665960, 231331920]

約数ペア:

[(1, 231331920), (2, 115665960), (3, 77110640), (4, 57832980), (5, 46266384), (6, 38555320), (8, 28916490), (10, 23133192), (12, 19277660), (15, 15422128), (16, 14458245), (17, 13607760), (20, 11566596), (24, 9638830), (30, 7711064), (31, 7462320), (34, 6803880), (40, 5783298), (48, 4819415), (51, 4535920), (59, 3920880), (60, 3855532), (62, 3731160), (68, 3401940), (80, 2891649), (85, 2721552), (93, 2487440), (102, 2267960), (118, 1960440), (120, 1927766), (124, 1865580), (136, 1700970), (155, 1492464), (170, 1360776), (177, 1306960), (186, 1243720), (204, 1133980), (236, 980220), (240, 963883), (248, 932790), (255, 907184), (272, 850485), (295, 784176), (310, 746232), (340, 680388), (354, 653480), (372, 621860), (408, 566990), (465, 497488), (472, 490110), (496, 466395), (510, 453592), (527, 438960), (590, 392088), (620, 373116), (680, 340194), (708, 326740), (744, 310930), (816, 283495), (885, 261392), (930, 248744), (944, 245055), (961, 240720), (1003, 230640), (1020, 226796), (1054, 219480), (1180, 196044), (1240, 186558), (1360, 170097), (1416, 163370), (1488, 155465), (1581, 146320), (1770, 130696), (1829, 126480), (1860, 124372), (1922, 120360), (2006, 115320), (2040, 113398), (2108, 109740), (2360, 98022), (2480, 93279), (2635, 87792), (2832, 81685), (2883, 80240), (3009, 76880), (3162, 73160), (3540, 65348), (3658, 63240), (3720, 62186), (3844, 60180), (4012, 57660), (4080, 56699), (4216, 54870), (4720, 49011), (4805, 48144), (5015, 46128), (5270, 43896), (5487, 42160), (5766, 40120), (6018, 38440), (6324, 36580), (7080, 32674), (7316, 31620), (7440, 31093), (7688, 30090), (7905, 29264), (8024, 28830), (8432, 27435), (9145, 25296), (9610, 24072), (10030, 23064), (10540, 21948), (10974, 21080), (11532, 20060), (12036, 19220), (12648, 18290), (14160, 16337), (14415, 16048), (14632, 15810), (15045, 15376)]