1261081320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{55021}}^1$

素因数の和:55226

約数の個数: 64

約数和(自身を含む): 3803120640

約数和(自身を除く): 2542039320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 191, 382, 573, 764, 955, 1146, 1528, 1910, 2292, 2865, 3820, 4584, 5730, 7640, 11460, 22920, 55021, 110042, 165063, 220084, 275105, 330126, 440168, 550210, 660252, 825315, 1100420, 1320504, 1650630, 2200840, 3301260, 6602520, 10509011, 21018022, 31527033, 42036044, 52545055, 63054066, 84072088, 105090110, 126108132, 157635165, 210180220, 252216264, 315270330, 420360440, 630540660, 1261081320]

約数ペア:

[(1, 1261081320), (2, 630540660), (3, 420360440), (4, 315270330), (5, 252216264), (6, 210180220), (8, 157635165), (10, 126108132), (12, 105090110), (15, 84072088), (20, 63054066), (24, 52545055), (30, 42036044), (40, 31527033), (60, 21018022), (120, 10509011), (191, 6602520), (382, 3301260), (573, 2200840), (764, 1650630), (955, 1320504), (1146, 1100420), (1528, 825315), (1910, 660252), (2292, 550210), (2865, 440168), (3820, 330126), (4584, 275105), (5730, 220084), (7640, 165063), (11460, 110042), (22920, 55021)]