121204590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{310781}}^1$

素因数の和:310804

約数の個数: 32

約数和(自身を含む): 313268256

約数和(自身を除く): 192063666

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 310781, 621562, 932343, 1553905, 1864686, 3107810, 4040153, 4661715, 8080306, 9323430, 12120459, 20200765, 24240918, 40401530, 60602295, 121204590]

約数ペア:

[(1, 121204590), (2, 60602295), (3, 40401530), (5, 24240918), (6, 20200765), (10, 12120459), (13, 9323430), (15, 8080306), (26, 4661715), (30, 4040153), (39, 3107810), (65, 1864686), (78, 1553905), (130, 932343), (195, 621562), (390, 310781)]