20145143880

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6217637}}^1$

素因数の和:6217660

約数の個数: 80

約数和(自身を含む): 67710077820

約数和(自身を除く): 47564933940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6217637, 12435274, 18652911, 24870548, 31088185, 37305822, 49741096, 55958733, 62176370, 74611644, 93264555, 111917466, 124352740, 149223288, 167876199, 186529110, 223834932, 248705480, 279793665, 335752398, 373058220, 447669864, 503628597, 559587330, 671504796, 746116440, 839380995, 1007257194, 1119174660, 1343009592, 1678761990, 2014514388, 2238349320, 2518142985, 3357523980, 4029028776, 5036285970, 6715047960, 10072571940, 20145143880]

約数ペア:

[(1, 20145143880), (2, 10072571940), (3, 6715047960), (4, 5036285970), (5, 4029028776), (6, 3357523980), (8, 2518142985), (9, 2238349320), (10, 2014514388), (12, 1678761990), (15, 1343009592), (18, 1119174660), (20, 1007257194), (24, 839380995), (27, 746116440), (30, 671504796), (36, 559587330), (40, 503628597), (45, 447669864), (54, 373058220), (60, 335752398), (72, 279793665), (81, 248705480), (90, 223834932), (108, 186529110), (120, 167876199), (135, 149223288), (162, 124352740), (180, 111917466), (216, 93264555), (270, 74611644), (324, 62176370), (360, 55958733), (405, 49741096), (540, 37305822), (648, 31088185), (810, 24870548), (1080, 18652911), (1620, 12435274), (3240, 6217637)]