2051767980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{393059}}^1$

素因数の和:393103

約数の個数: 72

約数和(自身を含む): 6438322800

約数和(自身を除く): 4386554820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 393059, 786118, 1179177, 1572236, 1965295, 2358354, 3537531, 3930590, 4716708, 5895885, 7075062, 7861180, 11398711, 11791770, 14150124, 17687655, 22797422, 23583540, 34196133, 35375310, 45594844, 56993555, 68392266, 70750620, 102588399, 113987110, 136784532, 170980665, 205176798, 227974220, 341961330, 410353596, 512941995, 683922660, 1025883990, 2051767980]

約数ペア:

[(1, 2051767980), (2, 1025883990), (3, 683922660), (4, 512941995), (5, 410353596), (6, 341961330), (9, 227974220), (10, 205176798), (12, 170980665), (15, 136784532), (18, 113987110), (20, 102588399), (29, 70750620), (30, 68392266), (36, 56993555), (45, 45594844), (58, 35375310), (60, 34196133), (87, 23583540), (90, 22797422), (116, 17687655), (145, 14150124), (174, 11791770), (180, 11398711), (261, 7861180), (290, 7075062), (348, 5895885), (435, 4716708), (522, 3930590), (580, 3537531), (870, 2358354), (1044, 1965295), (1305, 1572236), (1740, 1179177), (2610, 786118), (5220, 393059)]