661534720

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{839}}^1$

素因数の和:884

約数の個数: 192

約数和(自身を含む): 1981324800

約数和(自身を除く): 1319790080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 440, 448, 512, 560, 616, 640, 704, 770, 839, 880, 896, 1024, 1120, 1232, 1280, 1408, 1540, 1678, 1760, 1792, 2048, 2240, 2464, 2560, 2816, 3080, 3356, 3520, 3584, 4195, 4480, 4928, 5120, 5632, 5873, 6160, 6712, 7040, 7168, 8390, 8960, 9229, 9856, 10240, 11264, 11746, 12320, 13424, 14080, 14336, 16780, 17920, 18458, 19712, 22528, 23492, 24640, 26848, 28160, 29365, 33560, 35840, 36916, 39424, 46145, 46984, 49280, 53696, 56320, 58730, 64603, 67120, 71680, 73832, 78848, 92290, 93968, 98560, 107392, 112640, 117460, 129206, 134240, 147664, 157696, 184580, 187936, 197120, 214784, 234920, 258412, 268480, 295328, 323015, 369160, 375872, 394240, 429568, 469840, 516824, 536960, 590656, 646030, 738320, 751744, 788480, 859136, 939680, 1033648, 1073920, 1181312, 1292060, 1476640, 1503488, 1718272, 1879360, 2067296, 2147840, 2362624, 2584120, 2953280, 3006976, 3758720, 4134592, 4295680, 4725248, 5168240, 5906560, 6013952, 7517440, 8269184, 8591360, 9450496, 10336480, 11813120, 12027904, 15034880, 16538368, 18900992, 20672960, 23626240, 30069760, 33076736, 41345920, 47252480, 60139520, 66153472, 82691840, 94504960, 132306944, 165383680, 330767360, 661534720]

約数ペア:

[(1, 661534720), (2, 330767360), (4, 165383680), (5, 132306944), (7, 94504960), (8, 82691840), (10, 66153472), (11, 60139520), (14, 47252480), (16, 41345920), (20, 33076736), (22, 30069760), (28, 23626240), (32, 20672960), (35, 18900992), (40, 16538368), (44, 15034880), (55, 12027904), (56, 11813120), (64, 10336480), (70, 9450496), (77, 8591360), (80, 8269184), (88, 7517440), (110, 6013952), (112, 5906560), (128, 5168240), (140, 4725248), (154, 4295680), (160, 4134592), (176, 3758720), (220, 3006976), (224, 2953280), (256, 2584120), (280, 2362624), (308, 2147840), (320, 2067296), (352, 1879360), (385, 1718272), (440, 1503488), (448, 1476640), (512, 1292060), (560, 1181312), (616, 1073920), (640, 1033648), (704, 939680), (770, 859136), (839, 788480), (880, 751744), (896, 738320), (1024, 646030), (1120, 590656), (1232, 536960), (1280, 516824), (1408, 469840), (1540, 429568), (1678, 394240), (1760, 375872), (1792, 369160), (2048, 323015), (2240, 295328), (2464, 268480), (2560, 258412), (2816, 234920), (3080, 214784), (3356, 197120), (3520, 187936), (3584, 184580), (4195, 157696), (4480, 147664), (4928, 134240), (5120, 129206), (5632, 117460), (5873, 112640), (6160, 107392), (6712, 98560), (7040, 93968), (7168, 92290), (8390, 78848), (8960, 73832), (9229, 71680), (9856, 67120), (10240, 64603), (11264, 58730), (11746, 56320), (12320, 53696), (13424, 49280), (14080, 46984), (14336, 46145), (16780, 39424), (17920, 36916), (18458, 35840), (19712, 33560), (22528, 29365), (23492, 28160), (24640, 26848)]