138727980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1609}}^1$

素因数の和:2103

約数の個数: 72

約数和(自身を含む): 421948800

約数和(自身を除く): 283220820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 479, 958, 1437, 1609, 1916, 2395, 2874, 3218, 4311, 4790, 4827, 5748, 6436, 7185, 8045, 8622, 9580, 9654, 14370, 14481, 16090, 17244, 19308, 21555, 24135, 28740, 28962, 32180, 43110, 48270, 57924, 72405, 86220, 96540, 144810, 289620, 770711, 1541422, 2312133, 3082844, 3853555, 4624266, 6936399, 7707110, 9248532, 11560665, 13872798, 15414220, 23121330, 27745596, 34681995, 46242660, 69363990, 138727980]

約数ペア:

[(1, 138727980), (2, 69363990), (3, 46242660), (4, 34681995), (5, 27745596), (6, 23121330), (9, 15414220), (10, 13872798), (12, 11560665), (15, 9248532), (18, 7707110), (20, 6936399), (30, 4624266), (36, 3853555), (45, 3082844), (60, 2312133), (90, 1541422), (180, 770711), (479, 289620), (958, 144810), (1437, 96540), (1609, 86220), (1916, 72405), (2395, 57924), (2874, 48270), (3218, 43110), (4311, 32180), (4790, 28962), (4827, 28740), (5748, 24135), (6436, 21555), (7185, 19308), (8045, 17244), (8622, 16090), (9580, 14481), (9654, 14370)]