2143980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 6678672

約数和(自身を除く): 4534692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 277, 387, 430, 516, 554, 645, 774, 831, 860, 1108, 1290, 1385, 1548, 1662, 1935, 2493, 2580, 2770, 3324, 3870, 4155, 4986, 5540, 7740, 8310, 9972, 11911, 12465, 16620, 23822, 24930, 35733, 47644, 49860, 59555, 71466, 107199, 119110, 142932, 178665, 214398, 238220, 357330, 428796, 535995, 714660, 1071990, 2143980]

約数ペア:

[(1, 2143980), (2, 1071990), (3, 714660), (4, 535995), (5, 428796), (6, 357330), (9, 238220), (10, 214398), (12, 178665), (15, 142932), (18, 119110), (20, 107199), (30, 71466), (36, 59555), (43, 49860), (45, 47644), (60, 35733), (86, 24930), (90, 23822), (129, 16620), (172, 12465), (180, 11911), (215, 9972), (258, 8310), (277, 7740), (387, 5540), (430, 4986), (516, 4155), (554, 3870), (645, 3324), (774, 2770), (831, 2580), (860, 2493), (1108, 1935), (1290, 1662), (1385, 1548)]