30120640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:270

約数の個数: 112

約数和(自身を含む): 80467200

約数和(自身を除く): 50346560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 64, 80, 86, 88, 110, 160, 172, 176, 199, 215, 220, 320, 344, 352, 398, 430, 440, 473, 688, 704, 796, 860, 880, 946, 995, 1376, 1592, 1720, 1760, 1892, 1990, 2189, 2365, 2752, 3184, 3440, 3520, 3784, 3980, 4378, 4730, 6368, 6880, 7568, 7960, 8557, 8756, 9460, 10945, 12736, 13760, 15136, 15920, 17114, 17512, 18920, 21890, 30272, 31840, 34228, 35024, 37840, 42785, 43780, 63680, 68456, 70048, 75680, 85570, 87560, 94127, 136912, 140096, 151360, 171140, 175120, 188254, 273824, 342280, 350240, 376508, 470635, 547648, 684560, 700480, 753016, 941270, 1369120, 1506032, 1882540, 2738240, 3012064, 3765080, 6024128, 7530160, 15060320, 30120640]

約数ペア:

[(1, 30120640), (2, 15060320), (4, 7530160), (5, 6024128), (8, 3765080), (10, 3012064), (11, 2738240), (16, 1882540), (20, 1506032), (22, 1369120), (32, 941270), (40, 753016), (43, 700480), (44, 684560), (55, 547648), (64, 470635), (80, 376508), (86, 350240), (88, 342280), (110, 273824), (160, 188254), (172, 175120), (176, 171140), (199, 151360), (215, 140096), (220, 136912), (320, 94127), (344, 87560), (352, 85570), (398, 75680), (430, 70048), (440, 68456), (473, 63680), (688, 43780), (704, 42785), (796, 37840), (860, 35024), (880, 34228), (946, 31840), (995, 30272), (1376, 21890), (1592, 18920), (1720, 17512), (1760, 17114), (1892, 15920), (1990, 15136), (2189, 13760), (2365, 12736), (2752, 10945), (3184, 9460), (3440, 8756), (3520, 8557), (3784, 7960), (3980, 7568), (4378, 6880), (4730, 6368)]