209895120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{291521}}^1$

素因数の和:291540

約数の個数: 60

約数和(自身を含む): 704900196

約数和(自身を除く): 495005076

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 291521, 583042, 874563, 1166084, 1457605, 1749126, 2332168, 2623689, 2915210, 3498252, 4372815, 4664336, 5247378, 5830420, 6996504, 8745630, 10494756, 11660840, 13118445, 13993008, 17491260, 20989512, 23321680, 26236890, 34982520, 41979024, 52473780, 69965040, 104947560, 209895120]

約数ペア:

[(1, 209895120), (2, 104947560), (3, 69965040), (4, 52473780), (5, 41979024), (6, 34982520), (8, 26236890), (9, 23321680), (10, 20989512), (12, 17491260), (15, 13993008), (16, 13118445), (18, 11660840), (20, 10494756), (24, 8745630), (30, 6996504), (36, 5830420), (40, 5247378), (45, 4664336), (48, 4372815), (60, 3498252), (72, 2915210), (80, 2623689), (90, 2332168), (120, 1749126), (144, 1457605), (180, 1166084), (240, 874563), (360, 583042), (720, 291521)]