189565020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1669}}^1$

素因数の和:2315

約数の個数: 72

約数和(自身を含む): 576270240

約数和(自身を除く): 386705220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 631, 1262, 1669, 1893, 2524, 3155, 3338, 3786, 5007, 5679, 6310, 6676, 7572, 8345, 9465, 10014, 11358, 12620, 15021, 16690, 18930, 20028, 22716, 25035, 28395, 30042, 33380, 37860, 50070, 56790, 60084, 75105, 100140, 113580, 150210, 300420, 1053139, 2106278, 3159417, 4212556, 5265695, 6318834, 9478251, 10531390, 12637668, 15797085, 18956502, 21062780, 31594170, 37913004, 47391255, 63188340, 94782510, 189565020]

約数ペア:

[(1, 189565020), (2, 94782510), (3, 63188340), (4, 47391255), (5, 37913004), (6, 31594170), (9, 21062780), (10, 18956502), (12, 15797085), (15, 12637668), (18, 10531390), (20, 9478251), (30, 6318834), (36, 5265695), (45, 4212556), (60, 3159417), (90, 2106278), (180, 1053139), (631, 300420), (1262, 150210), (1669, 113580), (1893, 100140), (2524, 75105), (3155, 60084), (3338, 56790), (3786, 50070), (5007, 37860), (5679, 33380), (6310, 30042), (6676, 28395), (7572, 25035), (8345, 22716), (9465, 20028), (10014, 18930), (11358, 16690), (12620, 15021)]