51317820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{113}}^1$

素因数の和:189

約数の個数: 144

約数和(自身を含む): 166813920

約数和(自身を除く): 115496100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 87, 90, 108, 113, 116, 135, 145, 174, 180, 226, 261, 270, 290, 339, 348, 435, 452, 522, 540, 565, 580, 678, 783, 841, 870, 1017, 1044, 1130, 1305, 1356, 1566, 1682, 1695, 1740, 2034, 2260, 2523, 2610, 3051, 3132, 3277, 3364, 3390, 3915, 4068, 4205, 5046, 5085, 5220, 6102, 6554, 6780, 7569, 7830, 8410, 9831, 10092, 10170, 12204, 12615, 13108, 15138, 15255, 15660, 16385, 16820, 19662, 20340, 22707, 25230, 29493, 30276, 30510, 32770, 37845, 39324, 45414, 49155, 50460, 58986, 61020, 65540, 75690, 88479, 90828, 95033, 98310, 113535, 117972, 147465, 151380, 176958, 190066, 196620, 227070, 285099, 294930, 353916, 380132, 442395, 454140, 475165, 570198, 589860, 855297, 884790, 950330, 1140396, 1425495, 1710594, 1769580, 1900660, 2565891, 2850990, 3421188, 4276485, 5131782, 5701980, 8552970, 10263564, 12829455, 17105940, 25658910, 51317820]

約数ペア:

[(1, 51317820), (2, 25658910), (3, 17105940), (4, 12829455), (5, 10263564), (6, 8552970), (9, 5701980), (10, 5131782), (12, 4276485), (15, 3421188), (18, 2850990), (20, 2565891), (27, 1900660), (29, 1769580), (30, 1710594), (36, 1425495), (45, 1140396), (54, 950330), (58, 884790), (60, 855297), (87, 589860), (90, 570198), (108, 475165), (113, 454140), (116, 442395), (135, 380132), (145, 353916), (174, 294930), (180, 285099), (226, 227070), (261, 196620), (270, 190066), (290, 176958), (339, 151380), (348, 147465), (435, 117972), (452, 113535), (522, 98310), (540, 95033), (565, 90828), (580, 88479), (678, 75690), (783, 65540), (841, 61020), (870, 58986), (1017, 50460), (1044, 49155), (1130, 45414), (1305, 39324), (1356, 37845), (1566, 32770), (1682, 30510), (1695, 30276), (1740, 29493), (2034, 25230), (2260, 22707), (2523, 20340), (2610, 19662), (3051, 16820), (3132, 16385), (3277, 15660), (3364, 15255), (3390, 15138), (3915, 13108), (4068, 12615), (4205, 12204), (5046, 10170), (5085, 10092), (5220, 9831), (6102, 8410), (6554, 7830), (6780, 7569)]