645877728

素因数分解:

$2^5\times 3^2\times {\mathrm{1123}}^1\times {\mathrm{1997}}^1$

素因数の和:3136

約数の個数: 72

約数和(自身を含む): 1839270888

約数和(自身を除く): 1193393160

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 1123, 1997, 2246, 3369, 3994, 4492, 5991, 6738, 7988, 8984, 10107, 11982, 13476, 15976, 17968, 17973, 20214, 23964, 26952, 31952, 35936, 35946, 40428, 47928, 53904, 63904, 71892, 80856, 95856, 107808, 143784, 161712, 191712, 287568, 323424, 575136, 2242631, 4485262, 6727893, 8970524, 13455786, 17941048, 20183679, 26911572, 35882096, 40367358, 53823144, 71764192, 80734716, 107646288, 161469432, 215292576, 322938864, 645877728]

約数ペア:

[(1, 645877728), (2, 322938864), (3, 215292576), (4, 161469432), (6, 107646288), (8, 80734716), (9, 71764192), (12, 53823144), (16, 40367358), (18, 35882096), (24, 26911572), (32, 20183679), (36, 17941048), (48, 13455786), (72, 8970524), (96, 6727893), (144, 4485262), (288, 2242631), (1123, 575136), (1997, 323424), (2246, 287568), (3369, 191712), (3994, 161712), (4492, 143784), (5991, 107808), (6738, 95856), (7988, 80856), (8984, 71892), (10107, 63904), (11982, 53904), (13476, 47928), (15976, 40428), (17968, 35946), (17973, 35936), (20214, 31952), (23964, 26952)]