1261432080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{3511}}^1$

素因数の和:4029

約数の個数: 120

約数和(自身を含む): 4246008000

約数和(自身を除く): 2984575920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 499, 720, 998, 1497, 1996, 2495, 2994, 3511, 3992, 4491, 4990, 5988, 7022, 7485, 7984, 8982, 9980, 10533, 11976, 14044, 14970, 17555, 17964, 19960, 21066, 22455, 23952, 28088, 29940, 31599, 35110, 35928, 39920, 42132, 44910, 52665, 56176, 59880, 63198, 70220, 71856, 84264, 89820, 105330, 119760, 126396, 140440, 157995, 168528, 179640, 210660, 252792, 280880, 315990, 359280, 421320, 505584, 631980, 842640, 1263960, 1751989, 2527920, 3503978, 5255967, 7007956, 8759945, 10511934, 14015912, 15767901, 17519890, 21023868, 26279835, 28031824, 31535802, 35039780, 42047736, 52559670, 63071604, 70079560, 78839505, 84095472, 105119340, 126143208, 140159120, 157679010, 210238680, 252286416, 315358020, 420477360, 630716040, 1261432080]

約数ペア:

[(1, 1261432080), (2, 630716040), (3, 420477360), (4, 315358020), (5, 252286416), (6, 210238680), (8, 157679010), (9, 140159120), (10, 126143208), (12, 105119340), (15, 84095472), (16, 78839505), (18, 70079560), (20, 63071604), (24, 52559670), (30, 42047736), (36, 35039780), (40, 31535802), (45, 28031824), (48, 26279835), (60, 21023868), (72, 17519890), (80, 15767901), (90, 14015912), (120, 10511934), (144, 8759945), (180, 7007956), (240, 5255967), (360, 3503978), (499, 2527920), (720, 1751989), (998, 1263960), (1497, 842640), (1996, 631980), (2495, 505584), (2994, 421320), (3511, 359280), (3992, 315990), (4491, 280880), (4990, 252792), (5988, 210660), (7022, 179640), (7485, 168528), (7984, 157995), (8982, 140440), (9980, 126396), (10533, 119760), (11976, 105330), (14044, 89820), (14970, 84264), (17555, 71856), (17964, 70220), (19960, 63198), (21066, 59880), (22455, 56176), (23952, 52665), (28088, 44910), (29940, 42132), (31599, 39920), (35110, 35928)]