1521990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{1879}}^1$

素因数の和:1898

約数の個数: 40

約数和(自身を含む): 4094640

約数和(自身を除く): 2572650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 1879, 3758, 5637, 9395, 11274, 16911, 18790, 28185, 33822, 50733, 56370, 84555, 101466, 152199, 169110, 253665, 304398, 507330, 760995, 1521990]

約数ペア:

[(1, 1521990), (2, 760995), (3, 507330), (5, 304398), (6, 253665), (9, 169110), (10, 152199), (15, 101466), (18, 84555), (27, 56370), (30, 50733), (45, 33822), (54, 28185), (81, 18790), (90, 16911), (135, 11274), (162, 9395), (270, 5637), (405, 3758), (810, 1879)]