161839140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{331}}^1$

素因数の和:653

約数の個数: 96

約数和(自身を含む): 471864960

約数和(自身を除く): 310025820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 281, 290, 331, 348, 435, 562, 580, 662, 843, 870, 993, 1124, 1324, 1405, 1655, 1686, 1740, 1986, 2810, 3310, 3372, 3972, 4215, 4965, 5620, 6620, 8149, 8430, 9599, 9930, 16298, 16860, 19198, 19860, 24447, 28797, 32596, 38396, 40745, 47995, 48894, 57594, 81490, 93011, 95990, 97788, 115188, 122235, 143985, 162980, 186022, 191980, 244470, 279033, 287970, 372044, 465055, 488940, 558066, 575940, 930110, 1116132, 1395165, 1860220, 2697319, 2790330, 5394638, 5580660, 8091957, 10789276, 13486595, 16183914, 26973190, 32367828, 40459785, 53946380, 80919570, 161839140]

約数ペア:

[(1, 161839140), (2, 80919570), (3, 53946380), (4, 40459785), (5, 32367828), (6, 26973190), (10, 16183914), (12, 13486595), (15, 10789276), (20, 8091957), (29, 5580660), (30, 5394638), (58, 2790330), (60, 2697319), (87, 1860220), (116, 1395165), (145, 1116132), (174, 930110), (281, 575940), (290, 558066), (331, 488940), (348, 465055), (435, 372044), (562, 287970), (580, 279033), (662, 244470), (843, 191980), (870, 186022), (993, 162980), (1124, 143985), (1324, 122235), (1405, 115188), (1655, 97788), (1686, 95990), (1740, 93011), (1986, 81490), (2810, 57594), (3310, 48894), (3372, 47995), (3972, 40745), (4215, 38396), (4965, 32596), (5620, 28797), (6620, 24447), (8149, 19860), (8430, 19198), (9599, 16860), (9930, 16298)]