487736960

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:578

約数の個数: 128

約数和(自身を含む): 1227916800

約数和(自身を除く): 740179840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 43, 64, 74, 80, 86, 128, 148, 160, 172, 185, 215, 296, 320, 344, 370, 430, 479, 592, 640, 688, 740, 860, 958, 1184, 1376, 1480, 1591, 1720, 1916, 2368, 2395, 2752, 2960, 3182, 3440, 3832, 4736, 4790, 5504, 5920, 6364, 6880, 7664, 7955, 9580, 11840, 12728, 13760, 15328, 15910, 17723, 19160, 20597, 23680, 25456, 27520, 30656, 31820, 35446, 38320, 41194, 50912, 61312, 63640, 70892, 76640, 82388, 88615, 101824, 102985, 127280, 141784, 153280, 164776, 177230, 203648, 205970, 254560, 283568, 306560, 329552, 354460, 411940, 509120, 567136, 659104, 708920, 762089, 823880, 1018240, 1134272, 1318208, 1417840, 1524178, 1647760, 2268544, 2636416, 2835680, 3048356, 3295520, 3810445, 5671360, 6096712, 6591040, 7620890, 11342720, 12193424, 13182080, 15241780, 24386848, 30483560, 48773696, 60967120, 97547392, 121934240, 243868480, 487736960]

約数ペア:

[(1, 487736960), (2, 243868480), (4, 121934240), (5, 97547392), (8, 60967120), (10, 48773696), (16, 30483560), (20, 24386848), (32, 15241780), (37, 13182080), (40, 12193424), (43, 11342720), (64, 7620890), (74, 6591040), (80, 6096712), (86, 5671360), (128, 3810445), (148, 3295520), (160, 3048356), (172, 2835680), (185, 2636416), (215, 2268544), (296, 1647760), (320, 1524178), (344, 1417840), (370, 1318208), (430, 1134272), (479, 1018240), (592, 823880), (640, 762089), (688, 708920), (740, 659104), (860, 567136), (958, 509120), (1184, 411940), (1376, 354460), (1480, 329552), (1591, 306560), (1720, 283568), (1916, 254560), (2368, 205970), (2395, 203648), (2752, 177230), (2960, 164776), (3182, 153280), (3440, 141784), (3832, 127280), (4736, 102985), (4790, 101824), (5504, 88615), (5920, 82388), (6364, 76640), (6880, 70892), (7664, 63640), (7955, 61312), (9580, 50912), (11840, 41194), (12728, 38320), (13760, 35446), (15328, 31820), (15910, 30656), (17723, 27520), (19160, 25456), (20597, 23680)]