1688180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 3932544

約数和(自身を除く): 2244364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 151, 172, 215, 260, 302, 430, 559, 604, 755, 860, 1118, 1510, 1963, 2236, 2795, 3020, 3926, 5590, 6493, 7852, 9815, 11180, 12986, 19630, 25972, 32465, 39260, 64930, 84409, 129860, 168818, 337636, 422045, 844090, 1688180]

約数ペア:

[(1, 1688180), (2, 844090), (4, 422045), (5, 337636), (10, 168818), (13, 129860), (20, 84409), (26, 64930), (43, 39260), (52, 32465), (65, 25972), (86, 19630), (130, 12986), (151, 11180), (172, 9815), (215, 7852), (260, 6493), (302, 5590), (430, 3926), (559, 3020), (604, 2795), (755, 2236), (860, 1963), (1118, 1510)]