1427989860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{721207}}^1$

素因数の和:721233

約数の個数: 72

約数和(自身を含む): 4725354816

約数和(自身を除く): 3297364956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 721207, 1442414, 2163621, 2884828, 3606035, 4327242, 6490863, 7212070, 7933277, 8654484, 10818105, 12981726, 14424140, 15866554, 21636210, 23799831, 25963452, 31733108, 32454315, 39666385, 43272420, 47599662, 64908630, 71399493, 79332770, 95199324, 118999155, 129817260, 142798986, 158665540, 237998310, 285597972, 356997465, 475996620, 713994930, 1427989860]

約数ペア:

[(1, 1427989860), (2, 713994930), (3, 475996620), (4, 356997465), (5, 285597972), (6, 237998310), (9, 158665540), (10, 142798986), (11, 129817260), (12, 118999155), (15, 95199324), (18, 79332770), (20, 71399493), (22, 64908630), (30, 47599662), (33, 43272420), (36, 39666385), (44, 32454315), (45, 31733108), (55, 25963452), (60, 23799831), (66, 21636210), (90, 15866554), (99, 14424140), (110, 12981726), (132, 10818105), (165, 8654484), (180, 7933277), (198, 7212070), (220, 6490863), (330, 4327242), (396, 3606035), (495, 2884828), (660, 2163621), (990, 1442414), (1980, 721207)]