218388420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{404423}}^1$

素因数の和:404441

約数の個数: 48

約数和(自身を含む): 679432320

約数和(自身を除く): 461043900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 404423, 808846, 1213269, 1617692, 2022115, 2426538, 3639807, 4044230, 4853076, 6066345, 7279614, 8088460, 10919421, 12132690, 14559228, 18199035, 21838842, 24265380, 36398070, 43677684, 54597105, 72796140, 109194210, 218388420]

約数ペア:

[(1, 218388420), (2, 109194210), (3, 72796140), (4, 54597105), (5, 43677684), (6, 36398070), (9, 24265380), (10, 21838842), (12, 18199035), (15, 14559228), (18, 12132690), (20, 10919421), (27, 8088460), (30, 7279614), (36, 6066345), (45, 4853076), (54, 4044230), (60, 3639807), (90, 2426538), (108, 2022115), (135, 1617692), (180, 1213269), (270, 808846), (540, 404423)]