161405040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{672521}}^1$

素因数の和:672537

約数の個数: 40

約数和(自身を含む): 500356368

約数和(自身を除く): 338951328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 672521, 1345042, 2017563, 2690084, 3362605, 4035126, 5380168, 6725210, 8070252, 10087815, 10760336, 13450420, 16140504, 20175630, 26900840, 32281008, 40351260, 53801680, 80702520, 161405040]

約数ペア:

[(1, 161405040), (2, 80702520), (3, 53801680), (4, 40351260), (5, 32281008), (6, 26900840), (8, 20175630), (10, 16140504), (12, 13450420), (15, 10760336), (16, 10087815), (20, 8070252), (24, 6725210), (30, 5380168), (40, 4035126), (48, 3362605), (60, 2690084), (80, 2017563), (120, 1345042), (240, 672521)]