259450920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{720697}}^1$

素因数の和:720714

約数の個数: 48

約数和(自身を含む): 843216660

約数和(自身を除く): 583765740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 720697, 1441394, 2162091, 2882788, 3603485, 4324182, 5765576, 6486273, 7206970, 8648364, 10810455, 12972546, 14413940, 17296728, 21620910, 25945092, 28827880, 32431365, 43241820, 51890184, 64862730, 86483640, 129725460, 259450920]

約数ペア:

[(1, 259450920), (2, 129725460), (3, 86483640), (4, 64862730), (5, 51890184), (6, 43241820), (8, 32431365), (9, 28827880), (10, 25945092), (12, 21620910), (15, 17296728), (18, 14413940), (20, 12972546), (24, 10810455), (30, 8648364), (36, 7206970), (40, 6486273), (45, 5765576), (60, 4324182), (72, 3603485), (90, 2882788), (120, 2162091), (180, 1441394), (360, 720697)]