431777580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{553561}}^1$

素因数の和:553586

約数の個数: 48

約数和(自身を含む): 1301977824

約数和(自身を除く): 870200244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 553561, 1107122, 1660683, 2214244, 2767805, 3321366, 5535610, 6642732, 7196293, 8303415, 11071220, 14392586, 16606830, 21588879, 28785172, 33213660, 35981465, 43177758, 71962930, 86355516, 107944395, 143925860, 215888790, 431777580]

約数ペア:

[(1, 431777580), (2, 215888790), (3, 143925860), (4, 107944395), (5, 86355516), (6, 71962930), (10, 43177758), (12, 35981465), (13, 33213660), (15, 28785172), (20, 21588879), (26, 16606830), (30, 14392586), (39, 11071220), (52, 8303415), (60, 7196293), (65, 6642732), (78, 5535610), (130, 3321366), (156, 2767805), (195, 2214244), (260, 1660683), (390, 1107122), (780, 553561)]