258427320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2153561}}^1$

素因数の和:2153575

約数の個数: 32

約数和(自身を含む): 775282320

約数和(自身を除く): 516855000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2153561, 4307122, 6460683, 8614244, 10767805, 12921366, 17228488, 21535610, 25842732, 32303415, 43071220, 51685464, 64606830, 86142440, 129213660, 258427320]

約数ペア:

[(1, 258427320), (2, 129213660), (3, 86142440), (4, 64606830), (5, 51685464), (6, 43071220), (8, 32303415), (10, 25842732), (12, 21535610), (15, 17228488), (20, 12921366), (24, 10767805), (30, 8614244), (40, 6460683), (60, 4307122), (120, 2153561)]