128879430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{4295981}}^1$

素因数の和:4295991

約数の個数: 16

約数和(自身を含む): 309310704

約数和(自身を除く): 180431274

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 4295981, 8591962, 12887943, 21479905, 25775886, 42959810, 64439715, 128879430]

約数ペア:

[(1, 128879430), (2, 64439715), (3, 42959810), (5, 25775886), (6, 21479905), (10, 12887943), (15, 8591962), (30, 4295981)]