1445940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 4553640

約数和(自身を除く): 3107700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 277, 290, 348, 435, 522, 554, 580, 831, 870, 1044, 1108, 1305, 1385, 1662, 1740, 2493, 2610, 2770, 3324, 4155, 4986, 5220, 5540, 8033, 8310, 9972, 12465, 16066, 16620, 24099, 24930, 32132, 40165, 48198, 49860, 72297, 80330, 96396, 120495, 144594, 160660, 240990, 289188, 361485, 481980, 722970, 1445940]

約数ペア:

[(1, 1445940), (2, 722970), (3, 481980), (4, 361485), (5, 289188), (6, 240990), (9, 160660), (10, 144594), (12, 120495), (15, 96396), (18, 80330), (20, 72297), (29, 49860), (30, 48198), (36, 40165), (45, 32132), (58, 24930), (60, 24099), (87, 16620), (90, 16066), (116, 12465), (145, 9972), (174, 8310), (180, 8033), (261, 5540), (277, 5220), (290, 4986), (348, 4155), (435, 3324), (522, 2770), (554, 2610), (580, 2493), (831, 1740), (870, 1662), (1044, 1385), (1108, 1305)]