72625840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:315

約数の個数: 120

約数和(自身を含む): 199487232

約数和(自身を除く): 126861392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 97, 98, 112, 140, 191, 194, 196, 245, 280, 382, 388, 392, 485, 490, 560, 679, 764, 776, 784, 955, 970, 980, 1337, 1358, 1528, 1552, 1910, 1940, 1960, 2674, 2716, 3056, 3395, 3820, 3880, 3920, 4753, 5348, 5432, 6685, 6790, 7640, 7760, 9359, 9506, 10696, 10864, 13370, 13580, 15280, 18527, 18718, 19012, 21392, 23765, 26740, 27160, 37054, 37436, 38024, 46795, 47530, 53480, 54320, 74108, 74872, 76048, 92635, 93590, 95060, 106960, 129689, 148216, 149744, 185270, 187180, 190120, 259378, 296432, 370540, 374360, 380240, 518756, 648445, 741080, 748720, 907823, 1037512, 1296890, 1482160, 1815646, 2075024, 2593780, 3631292, 4539115, 5187560, 7262584, 9078230, 10375120, 14525168, 18156460, 36312920, 72625840]

約数ペア:

[(1, 72625840), (2, 36312920), (4, 18156460), (5, 14525168), (7, 10375120), (8, 9078230), (10, 7262584), (14, 5187560), (16, 4539115), (20, 3631292), (28, 2593780), (35, 2075024), (40, 1815646), (49, 1482160), (56, 1296890), (70, 1037512), (80, 907823), (97, 748720), (98, 741080), (112, 648445), (140, 518756), (191, 380240), (194, 374360), (196, 370540), (245, 296432), (280, 259378), (382, 190120), (388, 187180), (392, 185270), (485, 149744), (490, 148216), (560, 129689), (679, 106960), (764, 95060), (776, 93590), (784, 92635), (955, 76048), (970, 74872), (980, 74108), (1337, 54320), (1358, 53480), (1528, 47530), (1552, 46795), (1910, 38024), (1940, 37436), (1960, 37054), (2674, 27160), (2716, 26740), (3056, 23765), (3395, 21392), (3820, 19012), (3880, 18718), (3920, 18527), (4753, 15280), (5348, 13580), (5432, 13370), (6685, 10864), (6790, 10696), (7640, 9506), (7760, 9359)]