30787320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{256561}}^1$

素因数の和:256575

約数の個数: 32

約数和(自身を含む): 92362320

約数和(自身を除く): 61575000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 256561, 513122, 769683, 1026244, 1282805, 1539366, 2052488, 2565610, 3078732, 3848415, 5131220, 6157464, 7696830, 10262440, 15393660, 30787320]

約数ペア:

[(1, 30787320), (2, 15393660), (3, 10262440), (4, 7696830), (5, 6157464), (6, 5131220), (8, 3848415), (10, 3078732), (12, 2565610), (15, 2052488), (20, 1539366), (24, 1282805), (30, 1026244), (40, 769683), (60, 513122), (120, 256561)]