81184530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20347}}^1$

素因数の和:20383

約数の個数: 64

約数和(自身を含む): 234408960

約数和(自身を除く): 153224430

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 20347, 40694, 61041, 101735, 122082, 142429, 203470, 284858, 305205, 386593, 427287, 610410, 712145, 773186, 854574, 1159779, 1424290, 1932965, 2136435, 2319558, 2706151, 3865930, 4272870, 5412302, 5798895, 8118453, 11597790, 13530755, 16236906, 27061510, 40592265, 81184530]

約数ペア:

[(1, 81184530), (2, 40592265), (3, 27061510), (5, 16236906), (6, 13530755), (7, 11597790), (10, 8118453), (14, 5798895), (15, 5412302), (19, 4272870), (21, 3865930), (30, 2706151), (35, 2319558), (38, 2136435), (42, 1932965), (57, 1424290), (70, 1159779), (95, 854574), (105, 773186), (114, 712145), (133, 610410), (190, 427287), (210, 386593), (266, 305205), (285, 284858), (399, 203470), (570, 142429), (665, 122082), (798, 101735), (1330, 61041), (1995, 40694), (3990, 20347)]