219929520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:371

約数の個数: 160

約数和(自身を含む): 707883264

約数和(自身を除く): 487953744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 101, 120, 129, 172, 202, 211, 215, 240, 258, 303, 344, 404, 422, 430, 505, 516, 606, 633, 645, 688, 808, 844, 860, 1010, 1032, 1055, 1212, 1266, 1290, 1515, 1616, 1688, 1720, 2020, 2064, 2110, 2424, 2532, 2580, 3030, 3165, 3376, 3440, 4040, 4220, 4343, 4848, 5064, 5160, 6060, 6330, 8080, 8440, 8686, 9073, 10128, 10320, 12120, 12660, 13029, 16880, 17372, 18146, 21311, 21715, 24240, 25320, 26058, 27219, 34744, 36292, 42622, 43430, 45365, 50640, 52116, 54438, 63933, 65145, 69488, 72584, 85244, 86860, 90730, 104232, 106555, 108876, 127866, 130290, 136095, 145168, 170488, 173720, 181460, 208464, 213110, 217752, 255732, 260580, 272190, 319665, 340976, 347440, 362920, 426220, 435504, 511464, 521160, 544380, 639330, 725840, 852440, 916373, 1022928, 1042320, 1088760, 1278660, 1704880, 1832746, 2177520, 2557320, 2749119, 3665492, 4581865, 5114640, 5498238, 7330984, 9163730, 10996476, 13745595, 14661968, 18327460, 21992952, 27491190, 36654920, 43985904, 54982380, 73309840, 109964760, 219929520]

約数ペア:

[(1, 219929520), (2, 109964760), (3, 73309840), (4, 54982380), (5, 43985904), (6, 36654920), (8, 27491190), (10, 21992952), (12, 18327460), (15, 14661968), (16, 13745595), (20, 10996476), (24, 9163730), (30, 7330984), (40, 5498238), (43, 5114640), (48, 4581865), (60, 3665492), (80, 2749119), (86, 2557320), (101, 2177520), (120, 1832746), (129, 1704880), (172, 1278660), (202, 1088760), (211, 1042320), (215, 1022928), (240, 916373), (258, 852440), (303, 725840), (344, 639330), (404, 544380), (422, 521160), (430, 511464), (505, 435504), (516, 426220), (606, 362920), (633, 347440), (645, 340976), (688, 319665), (808, 272190), (844, 260580), (860, 255732), (1010, 217752), (1032, 213110), (1055, 208464), (1212, 181460), (1266, 173720), (1290, 170488), (1515, 145168), (1616, 136095), (1688, 130290), (1720, 127866), (2020, 108876), (2064, 106555), (2110, 104232), (2424, 90730), (2532, 86860), (2580, 85244), (3030, 72584), (3165, 69488), (3376, 65145), (3440, 63933), (4040, 54438), (4220, 52116), (4343, 50640), (4848, 45365), (5064, 43430), (5160, 42622), (6060, 36292), (6330, 34744), (8080, 27219), (8440, 26058), (8686, 25320), (9073, 24240), (10128, 21715), (10320, 21311), (12120, 18146), (12660, 17372), (13029, 16880)]