1781490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1434

約数の個数: 32

約数和(自身を含む): 4378176

約数和(自身を除く): 2596686

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 1381, 2762, 4143, 6905, 8286, 13810, 20715, 41430, 59383, 118766, 178149, 296915, 356298, 593830, 890745, 1781490]

約数ペア:

[(1, 1781490), (2, 890745), (3, 593830), (5, 356298), (6, 296915), (10, 178149), (15, 118766), (30, 59383), (43, 41430), (86, 20715), (129, 13810), (215, 8286), (258, 6905), (430, 4143), (645, 2762), (1290, 1381)]