128980590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{16729}}^1$

素因数の和:16996

約数の個数: 32

約数和(自身を含む): 310776480

約数和(自身を除く): 181795890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 257, 514, 771, 1285, 1542, 2570, 3855, 7710, 16729, 33458, 50187, 83645, 100374, 167290, 250935, 501870, 4299353, 8598706, 12898059, 21496765, 25796118, 42993530, 64490295, 128980590]

約数ペア:

[(1, 128980590), (2, 64490295), (3, 42993530), (5, 25796118), (6, 21496765), (10, 12898059), (15, 8598706), (30, 4299353), (257, 501870), (514, 250935), (771, 167290), (1285, 100374), (1542, 83645), (2570, 50187), (3855, 33458), (7710, 16729)]