128300580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{712781}}^1$

素因数の和:712796

約数の個数: 36

約数和(自身を含む): 389178972

約数和(自身を除く): 260878392

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 712781, 1425562, 2138343, 2851124, 3563905, 4276686, 6415029, 7127810, 8553372, 10691715, 12830058, 14255620, 21383430, 25660116, 32075145, 42766860, 64150290, 128300580]

約数ペア:

[(1, 128300580), (2, 64150290), (3, 42766860), (4, 32075145), (5, 25660116), (6, 21383430), (9, 14255620), (10, 12830058), (12, 10691715), (15, 8553372), (18, 7127810), (20, 6415029), (30, 4276686), (36, 3563905), (45, 2851124), (60, 2138343), (90, 1425562), (180, 712781)]