217081920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:429

約数の個数: 224

約数和(自身を含む): 766486656

約数和(自身を除く): 549404736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 61, 64, 66, 80, 88, 96, 110, 120, 122, 132, 160, 165, 176, 183, 192, 220, 240, 244, 264, 305, 320, 330, 337, 352, 366, 440, 480, 488, 528, 610, 660, 671, 674, 704, 732, 880, 915, 960, 976, 1011, 1056, 1220, 1320, 1342, 1348, 1464, 1685, 1760, 1830, 1952, 2013, 2022, 2112, 2440, 2640, 2684, 2696, 2928, 3355, 3370, 3520, 3660, 3707, 3904, 4026, 4044, 4880, 5055, 5280, 5368, 5392, 5856, 6710, 6740, 7320, 7414, 8052, 8088, 9760, 10065, 10110, 10560, 10736, 10784, 11121, 11712, 13420, 13480, 14640, 14828, 16104, 16176, 18535, 19520, 20130, 20220, 20557, 21472, 21568, 22242, 26840, 26960, 29280, 29656, 32208, 32352, 37070, 40260, 40440, 41114, 42944, 44484, 53680, 53920, 55605, 58560, 59312, 61671, 64416, 64704, 74140, 80520, 80880, 82228, 88968, 102785, 107360, 107840, 111210, 118624, 123342, 128832, 148280, 161040, 161760, 164456, 177936, 205570, 214720, 222420, 226127, 237248, 246684, 296560, 308355, 322080, 323520, 328912, 355872, 411140, 444840, 452254, 493368, 593120, 616710, 644160, 657824, 678381, 711744, 822280, 889680, 904508, 986736, 1130635, 1186240, 1233420, 1315648, 1356762, 1644560, 1779360, 1809016, 1973472, 2261270, 2466840, 2713524, 3289120, 3391905, 3558720, 3618032, 3946944, 4522540, 4933680, 5427048, 6578240, 6783810, 7236064, 9045080, 9867360, 10854096, 13567620, 14472128, 18090160, 19734720, 21708192, 27135240, 36180320, 43416384, 54270480, 72360640, 108540960, 217081920]

約数ペア:

[(1, 217081920), (2, 108540960), (3, 72360640), (4, 54270480), (5, 43416384), (6, 36180320), (8, 27135240), (10, 21708192), (11, 19734720), (12, 18090160), (15, 14472128), (16, 13567620), (20, 10854096), (22, 9867360), (24, 9045080), (30, 7236064), (32, 6783810), (33, 6578240), (40, 5427048), (44, 4933680), (48, 4522540), (55, 3946944), (60, 3618032), (61, 3558720), (64, 3391905), (66, 3289120), (80, 2713524), (88, 2466840), (96, 2261270), (110, 1973472), (120, 1809016), (122, 1779360), (132, 1644560), (160, 1356762), (165, 1315648), (176, 1233420), (183, 1186240), (192, 1130635), (220, 986736), (240, 904508), (244, 889680), (264, 822280), (305, 711744), (320, 678381), (330, 657824), (337, 644160), (352, 616710), (366, 593120), (440, 493368), (480, 452254), (488, 444840), (528, 411140), (610, 355872), (660, 328912), (671, 323520), (674, 322080), (704, 308355), (732, 296560), (880, 246684), (915, 237248), (960, 226127), (976, 222420), (1011, 214720), (1056, 205570), (1220, 177936), (1320, 164456), (1342, 161760), (1348, 161040), (1464, 148280), (1685, 128832), (1760, 123342), (1830, 118624), (1952, 111210), (2013, 107840), (2022, 107360), (2112, 102785), (2440, 88968), (2640, 82228), (2684, 80880), (2696, 80520), (2928, 74140), (3355, 64704), (3370, 64416), (3520, 61671), (3660, 59312), (3707, 58560), (3904, 55605), (4026, 53920), (4044, 53680), (4880, 44484), (5055, 42944), (5280, 41114), (5368, 40440), (5392, 40260), (5856, 37070), (6710, 32352), (6740, 32208), (7320, 29656), (7414, 29280), (8052, 26960), (8088, 26840), (9760, 22242), (10065, 21568), (10110, 21472), (10560, 20557), (10736, 20220), (10784, 20130), (11121, 19520), (11712, 18535), (13420, 16176), (13480, 16104), (14640, 14828)]