81187290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7103}}^1$

素因数の和:7243

約数の個数: 48

約数和(自身を含む): 212779008

約数和(自身を除く): 131591718

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 127, 254, 381, 635, 762, 1143, 1270, 1905, 2286, 3810, 5715, 7103, 11430, 14206, 21309, 35515, 42618, 63927, 71030, 106545, 127854, 213090, 319635, 639270, 902081, 1804162, 2706243, 4510405, 5412486, 8118729, 9020810, 13531215, 16237458, 27062430, 40593645, 81187290]

約数ペア:

[(1, 81187290), (2, 40593645), (3, 27062430), (5, 16237458), (6, 13531215), (9, 9020810), (10, 8118729), (15, 5412486), (18, 4510405), (30, 2706243), (45, 1804162), (90, 902081), (127, 639270), (254, 319635), (381, 213090), (635, 127854), (762, 106545), (1143, 71030), (1270, 63927), (1905, 42618), (2286, 35515), (3810, 21309), (5715, 14206), (7103, 11430)]