258420720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1076753}}^1$

素因数の和:1076769

約数の個数: 40

約数和(自身を含む): 801104976

約数和(自身を除く): 542684256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1076753, 2153506, 3230259, 4307012, 5383765, 6460518, 8614024, 10767530, 12921036, 16151295, 17228048, 21535060, 25842072, 32302590, 43070120, 51684144, 64605180, 86140240, 129210360, 258420720]

約数ペア:

[(1, 258420720), (2, 129210360), (3, 86140240), (4, 64605180), (5, 51684144), (6, 43070120), (8, 32302590), (10, 25842072), (12, 21535060), (15, 17228048), (16, 16151295), (20, 12921036), (24, 10767530), (30, 8614024), (40, 6460518), (48, 5383765), (60, 4307012), (80, 3230259), (120, 2153506), (240, 1076753)]