644785920

素因数分解:

$2^8\times 3^6\times 5^1\times {\mathrm{691}}^1$

素因数の和:730

約数の個数: 252

約数和(自身を含む): 2318987496

約数和(自身を除く): 1674201576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 648, 691, 720, 729, 768, 810, 864, 960, 972, 1080, 1152, 1215, 1280, 1296, 1382, 1440, 1458, 1620, 1728, 1920, 1944, 2073, 2160, 2304, 2430, 2592, 2764, 2880, 2916, 3240, 3455, 3456, 3645, 3840, 3888, 4146, 4320, 4860, 5184, 5528, 5760, 5832, 6219, 6480, 6910, 6912, 7290, 7776, 8292, 8640, 9720, 10365, 10368, 11056, 11520, 11664, 12438, 12960, 13820, 14580, 15552, 16584, 17280, 18657, 19440, 20730, 20736, 22112, 23328, 24876, 25920, 27640, 29160, 31095, 31104, 33168, 34560, 37314, 38880, 41460, 44224, 46656, 49752, 51840, 55280, 55971, 58320, 62190, 62208, 66336, 74628, 77760, 82920, 88448, 93285, 93312, 99504, 103680, 110560, 111942, 116640, 124380, 132672, 149256, 155520, 165840, 167913, 176896, 186570, 186624, 199008, 221120, 223884, 233280, 248760, 265344, 279855, 298512, 311040, 331680, 335826, 373140, 398016, 442240, 447768, 466560, 497520, 503739, 530688, 559710, 597024, 663360, 671652, 746280, 796032, 839565, 884480, 895536, 933120, 995040, 1007478, 1119420, 1194048, 1326720, 1343304, 1492560, 1592064, 1679130, 1791072, 1990080, 2014956, 2238840, 2388096, 2518695, 2653440, 2686608, 2985120, 3358260, 3582144, 3980160, 4029912, 4477680, 4776192, 5037390, 5373216, 5970240, 6716520, 7164288, 7960320, 8059824, 8955360, 10074780, 10746432, 11940480, 13433040, 14328576, 16119648, 17910720, 20149560, 21492864, 23880960, 26866080, 32239296, 35821440, 40299120, 42985728, 53732160, 64478592, 71642880, 80598240, 107464320, 128957184, 161196480, 214928640, 322392960, 644785920]

約数ペア:

[(1, 644785920), (2, 322392960), (3, 214928640), (4, 161196480), (5, 128957184), (6, 107464320), (8, 80598240), (9, 71642880), (10, 64478592), (12, 53732160), (15, 42985728), (16, 40299120), (18, 35821440), (20, 32239296), (24, 26866080), (27, 23880960), (30, 21492864), (32, 20149560), (36, 17910720), (40, 16119648), (45, 14328576), (48, 13433040), (54, 11940480), (60, 10746432), (64, 10074780), (72, 8955360), (80, 8059824), (81, 7960320), (90, 7164288), (96, 6716520), (108, 5970240), (120, 5373216), (128, 5037390), (135, 4776192), (144, 4477680), (160, 4029912), (162, 3980160), (180, 3582144), (192, 3358260), (216, 2985120), (240, 2686608), (243, 2653440), (256, 2518695), (270, 2388096), (288, 2238840), (320, 2014956), (324, 1990080), (360, 1791072), (384, 1679130), (405, 1592064), (432, 1492560), (480, 1343304), (486, 1326720), (540, 1194048), (576, 1119420), (640, 1007478), (648, 995040), (691, 933120), (720, 895536), (729, 884480), (768, 839565), (810, 796032), (864, 746280), (960, 671652), (972, 663360), (1080, 597024), (1152, 559710), (1215, 530688), (1280, 503739), (1296, 497520), (1382, 466560), (1440, 447768), (1458, 442240), (1620, 398016), (1728, 373140), (1920, 335826), (1944, 331680), (2073, 311040), (2160, 298512), (2304, 279855), (2430, 265344), (2592, 248760), (2764, 233280), (2880, 223884), (2916, 221120), (3240, 199008), (3455, 186624), (3456, 186570), (3645, 176896), (3840, 167913), (3888, 165840), (4146, 155520), (4320, 149256), (4860, 132672), (5184, 124380), (5528, 116640), (5760, 111942), (5832, 110560), (6219, 103680), (6480, 99504), (6910, 93312), (6912, 93285), (7290, 88448), (7776, 82920), (8292, 77760), (8640, 74628), (9720, 66336), (10365, 62208), (10368, 62190), (11056, 58320), (11520, 55971), (11664, 55280), (12438, 51840), (12960, 49752), (13820, 46656), (14580, 44224), (15552, 41460), (16584, 38880), (17280, 37314), (18657, 34560), (19440, 33168), (20730, 31104), (20736, 31095), (22112, 29160), (23328, 27640), (24876, 25920)]