215719020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{108949}}^1$

素因数の和:108975

約数の個数: 72

約数和(自身を含む): 713840400

約数和(自身を除く): 498121380

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, 108949, 217898, 326847, 435796, 544745, 653694, 980541, 1089490, 1198439, 1307388, 1634235, 1961082, 2178980, 2396878, 3268470, 3595317, 3922164, 4793756, 4902705, 5992195, 6536940, 7190634, 9805410, 10785951, 11984390, 14381268, 17976585, 19610820, 21571902, 23968780, 35953170, 43143804, 53929755, 71906340, 107859510, 215719020]

約数ペア:

[(1, 215719020), (2, 107859510), (3, 71906340), (4, 53929755), (5, 43143804), (6, 35953170), (9, 23968780), (10, 21571902), (11, 19610820), (12, 17976585), (15, 14381268), (18, 11984390), (20, 10785951), (22, 9805410), (30, 7190634), (33, 6536940), (36, 5992195), (44, 4902705), (45, 4793756), (55, 3922164), (60, 3595317), (66, 3268470), (90, 2396878), (99, 2178980), (110, 1961082), (132, 1634235), (165, 1307388), (180, 1198439), (198, 1089490), (220, 980541), (330, 653694), (396, 544745), (495, 435796), (660, 326847), (990, 217898), (1980, 108949)]