644128320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1$

素因数の和:549

約数の個数: 224

約数和(自身を含む): 2250009216

約数和(自身を除く): 1605880896

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, 64, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 181, 192, 220, 240, 264, 320, 330, 337, 352, 362, 440, 480, 528, 543, 660, 674, 704, 724, 880, 905, 960, 1011, 1056, 1086, 1320, 1348, 1448, 1685, 1760, 1810, 1991, 2022, 2112, 2172, 2640, 2696, 2715, 2896, 3370, 3520, 3620, 3707, 3982, 4044, 4344, 5055, 5280, 5392, 5430, 5792, 5973, 6740, 7240, 7414, 7964, 8088, 8688, 9955, 10110, 10560, 10784, 10860, 11121, 11584, 11946, 13480, 14480, 14828, 15928, 16176, 17376, 18535, 19910, 20220, 21568, 21720, 22242, 23892, 26960, 28960, 29656, 29865, 31856, 32352, 34752, 37070, 39820, 40440, 43440, 44484, 47784, 53920, 55605, 57920, 59312, 59730, 60997, 63712, 64704, 74140, 79640, 80880, 86880, 88968, 95568, 107840, 111210, 118624, 119460, 121994, 127424, 148280, 159280, 161760, 173760, 177936, 182991, 191136, 222420, 237248, 238920, 243988, 296560, 304985, 318560, 323520, 355872, 365982, 382272, 444840, 477840, 487976, 593120, 609970, 637120, 670967, 711744, 731964, 889680, 914955, 955680, 975952, 1186240, 1219940, 1341934, 1463928, 1779360, 1829910, 1911360, 1951904, 2012901, 2439880, 2683868, 2927856, 3354835, 3558720, 3659820, 3903808, 4025802, 4879760, 5367736, 5855712, 6709670, 7319640, 8051604, 9759520, 10064505, 10735472, 11711424, 13419340, 14639280, 16103208, 19519040, 20129010, 21470944, 26838680, 29278560, 32206416, 40258020, 42941888, 53677360, 58557120, 64412832, 80516040, 107354720, 128825664, 161032080, 214709440, 322064160, 644128320]

約数ペア:

[(1, 644128320), (2, 322064160), (3, 214709440), (4, 161032080), (5, 128825664), (6, 107354720), (8, 80516040), (10, 64412832), (11, 58557120), (12, 53677360), (15, 42941888), (16, 40258020), (20, 32206416), (22, 29278560), (24, 26838680), (30, 21470944), (32, 20129010), (33, 19519040), (40, 16103208), (44, 14639280), (48, 13419340), (55, 11711424), (60, 10735472), (64, 10064505), (66, 9759520), (80, 8051604), (88, 7319640), (96, 6709670), (110, 5855712), (120, 5367736), (132, 4879760), (160, 4025802), (165, 3903808), (176, 3659820), (181, 3558720), (192, 3354835), (220, 2927856), (240, 2683868), (264, 2439880), (320, 2012901), (330, 1951904), (337, 1911360), (352, 1829910), (362, 1779360), (440, 1463928), (480, 1341934), (528, 1219940), (543, 1186240), (660, 975952), (674, 955680), (704, 914955), (724, 889680), (880, 731964), (905, 711744), (960, 670967), (1011, 637120), (1056, 609970), (1086, 593120), (1320, 487976), (1348, 477840), (1448, 444840), (1685, 382272), (1760, 365982), (1810, 355872), (1991, 323520), (2022, 318560), (2112, 304985), (2172, 296560), (2640, 243988), (2696, 238920), (2715, 237248), (2896, 222420), (3370, 191136), (3520, 182991), (3620, 177936), (3707, 173760), (3982, 161760), (4044, 159280), (4344, 148280), (5055, 127424), (5280, 121994), (5392, 119460), (5430, 118624), (5792, 111210), (5973, 107840), (6740, 95568), (7240, 88968), (7414, 86880), (7964, 80880), (8088, 79640), (8688, 74140), (9955, 64704), (10110, 63712), (10560, 60997), (10784, 59730), (10860, 59312), (11121, 57920), (11584, 55605), (11946, 53920), (13480, 47784), (14480, 44484), (14828, 43440), (15928, 40440), (16176, 39820), (17376, 37070), (18535, 34752), (19910, 32352), (20220, 31856), (21568, 29865), (21720, 29656), (22242, 28960), (23892, 26960)]