127207980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{769}}^1\times {\mathrm{919}}^1$

素因数の和:1703

約数の個数: 72

約数和(自身を含む): 386786400

約数和(自身を除く): 259578420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 769, 919, 1538, 1838, 2307, 2757, 3076, 3676, 3845, 4595, 4614, 5514, 6921, 7690, 8271, 9190, 9228, 11028, 11535, 13785, 13842, 15380, 16542, 18380, 23070, 27570, 27684, 33084, 34605, 41355, 46140, 55140, 69210, 82710, 138420, 165420, 706711, 1413422, 2120133, 2826844, 3533555, 4240266, 6360399, 7067110, 8480532, 10600665, 12720798, 14134220, 21201330, 25441596, 31801995, 42402660, 63603990, 127207980]

約数ペア:

[(1, 127207980), (2, 63603990), (3, 42402660), (4, 31801995), (5, 25441596), (6, 21201330), (9, 14134220), (10, 12720798), (12, 10600665), (15, 8480532), (18, 7067110), (20, 6360399), (30, 4240266), (36, 3533555), (45, 2826844), (60, 2120133), (90, 1413422), (180, 706711), (769, 165420), (919, 138420), (1538, 82710), (1838, 69210), (2307, 55140), (2757, 46140), (3076, 41355), (3676, 34605), (3845, 33084), (4595, 27684), (4614, 27570), (5514, 23070), (6921, 18380), (7690, 16542), (8271, 15380), (9190, 13842), (9228, 13785), (11028, 11535)]