1891837440

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{523}}^1$

素因数の和:709

約数の個数: 240

約数和(自身を含む): 6606304848

約数和(自身を除く): 4714467408

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 157, 160, 180, 192, 240, 256, 288, 314, 320, 360, 384, 471, 480, 512, 523, 576, 628, 640, 720, 768, 785, 942, 960, 1046, 1152, 1256, 1280, 1413, 1440, 1536, 1569, 1570, 1884, 1920, 2092, 2304, 2355, 2512, 2560, 2615, 2826, 2880, 3138, 3140, 3768, 3840, 4184, 4608, 4707, 4710, 5024, 5230, 5652, 5760, 6276, 6280, 7065, 7536, 7680, 7845, 8368, 9414, 9420, 10048, 10460, 11304, 11520, 12552, 12560, 14130, 15072, 15690, 16736, 18828, 18840, 20096, 20920, 22608, 23040, 23535, 25104, 25120, 28260, 30144, 31380, 33472, 37656, 37680, 40192, 41840, 45216, 47070, 50208, 50240, 56520, 60288, 62760, 66944, 75312, 75360, 80384, 82111, 83680, 90432, 94140, 100416, 100480, 113040, 120576, 125520, 133888, 150624, 150720, 164222, 167360, 180864, 188280, 200832, 200960, 226080, 241152, 246333, 251040, 267776, 301248, 301440, 328444, 334720, 361728, 376560, 401664, 401920, 410555, 452160, 492666, 502080, 602496, 602880, 656888, 669440, 723456, 738999, 753120, 803328, 821110, 904320, 985332, 1004160, 1204992, 1205760, 1231665, 1313776, 1338880, 1477998, 1506240, 1642220, 1808640, 1970664, 2008320, 2409984, 2463330, 2627552, 2955996, 3012480, 3284440, 3617280, 3694995, 3941328, 4016640, 4926660, 5255104, 5911992, 6024960, 6568880, 7389990, 7882656, 9853320, 10510208, 11823984, 12049920, 13137760, 14779980, 15765312, 19706640, 21020416, 23647968, 26275520, 29559960, 31530624, 39413280, 42040832, 47295936, 52551040, 59119920, 63061248, 78826560, 94591872, 105102080, 118239840, 126122496, 157653120, 189183744, 210204160, 236479680, 315306240, 378367488, 472959360, 630612480, 945918720, 1891837440]

約数ペア:

[(1, 1891837440), (2, 945918720), (3, 630612480), (4, 472959360), (5, 378367488), (6, 315306240), (8, 236479680), (9, 210204160), (10, 189183744), (12, 157653120), (15, 126122496), (16, 118239840), (18, 105102080), (20, 94591872), (24, 78826560), (30, 63061248), (32, 59119920), (36, 52551040), (40, 47295936), (45, 42040832), (48, 39413280), (60, 31530624), (64, 29559960), (72, 26275520), (80, 23647968), (90, 21020416), (96, 19706640), (120, 15765312), (128, 14779980), (144, 13137760), (157, 12049920), (160, 11823984), (180, 10510208), (192, 9853320), (240, 7882656), (256, 7389990), (288, 6568880), (314, 6024960), (320, 5911992), (360, 5255104), (384, 4926660), (471, 4016640), (480, 3941328), (512, 3694995), (523, 3617280), (576, 3284440), (628, 3012480), (640, 2955996), (720, 2627552), (768, 2463330), (785, 2409984), (942, 2008320), (960, 1970664), (1046, 1808640), (1152, 1642220), (1256, 1506240), (1280, 1477998), (1413, 1338880), (1440, 1313776), (1536, 1231665), (1569, 1205760), (1570, 1204992), (1884, 1004160), (1920, 985332), (2092, 904320), (2304, 821110), (2355, 803328), (2512, 753120), (2560, 738999), (2615, 723456), (2826, 669440), (2880, 656888), (3138, 602880), (3140, 602496), (3768, 502080), (3840, 492666), (4184, 452160), (4608, 410555), (4707, 401920), (4710, 401664), (5024, 376560), (5230, 361728), (5652, 334720), (5760, 328444), (6276, 301440), (6280, 301248), (7065, 267776), (7536, 251040), (7680, 246333), (7845, 241152), (8368, 226080), (9414, 200960), (9420, 200832), (10048, 188280), (10460, 180864), (11304, 167360), (11520, 164222), (12552, 150720), (12560, 150624), (14130, 133888), (15072, 125520), (15690, 120576), (16736, 113040), (18828, 100480), (18840, 100416), (20096, 94140), (20920, 90432), (22608, 83680), (23040, 82111), (23535, 80384), (25104, 75360), (25120, 75312), (28260, 66944), (30144, 62760), (31380, 60288), (33472, 56520), (37656, 50240), (37680, 50208), (40192, 47070), (41840, 45216)]