27371020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{223}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 64520064

約数和(自身を除く): 37149044

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 223, 323, 340, 361, 380, 446, 646, 722, 892, 1115, 1292, 1444, 1615, 1805, 2230, 3230, 3610, 3791, 4237, 4460, 6137, 6460, 7220, 7582, 8474, 12274, 15164, 16948, 18955, 21185, 24548, 30685, 37910, 42370, 61370, 72029, 75820, 80503, 84740, 122740, 144058, 161006, 288116, 322012, 360145, 402515, 720290, 805030, 1368551, 1440580, 1610060, 2737102, 5474204, 6842755, 13685510, 27371020]

約数ペア:

[(1, 27371020), (2, 13685510), (4, 6842755), (5, 5474204), (10, 2737102), (17, 1610060), (19, 1440580), (20, 1368551), (34, 805030), (38, 720290), (68, 402515), (76, 360145), (85, 322012), (95, 288116), (170, 161006), (190, 144058), (223, 122740), (323, 84740), (340, 80503), (361, 75820), (380, 72029), (446, 61370), (646, 42370), (722, 37910), (892, 30685), (1115, 24548), (1292, 21185), (1444, 18955), (1615, 16948), (1805, 15164), (2230, 12274), (3230, 8474), (3610, 7582), (3791, 7220), (4237, 6460), (4460, 6137)]