221587560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{615521}}^1$

素因数の和:615538

約数の個数: 48

約数和(自身を含む): 720160740

約数和(自身を除く): 498573180

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, 615521, 1231042, 1846563, 2462084, 3077605, 3693126, 4924168, 5539689, 6155210, 7386252, 9232815, 11079378, 12310420, 14772504, 18465630, 22158756, 24620840, 27698445, 36931260, 44317512, 55396890, 73862520, 110793780, 221587560]

約数ペア:

[(1, 221587560), (2, 110793780), (3, 73862520), (4, 55396890), (5, 44317512), (6, 36931260), (8, 27698445), (9, 24620840), (10, 22158756), (12, 18465630), (15, 14772504), (18, 12310420), (20, 11079378), (24, 9232815), (30, 7386252), (36, 6155210), (40, 5539689), (45, 4924168), (60, 3693126), (72, 3077605), (90, 2462084), (120, 1846563), (180, 1231042), (360, 615521)]