217639260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1209107}}^1$

素因数の和:1209122

約数の個数: 36

約数和(自身を含む): 660172968

約数和(自身を除く): 442533708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1209107, 2418214, 3627321, 4836428, 6045535, 7254642, 10881963, 12091070, 14509284, 18136605, 21763926, 24182140, 36273210, 43527852, 54409815, 72546420, 108819630, 217639260]

約数ペア:

[(1, 217639260), (2, 108819630), (3, 72546420), (4, 54409815), (5, 43527852), (6, 36273210), (9, 24182140), (10, 21763926), (12, 18136605), (15, 14509284), (18, 12091070), (20, 10881963), (30, 7254642), (36, 6045535), (45, 4836428), (60, 3627321), (90, 2418214), (180, 1209107)]