181133960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1663}}^1$

素因数の和:2070

約数の個数: 64

約数和(自身を含む): 467251200

約数和(自身を除く): 286117240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 389, 778, 1556, 1663, 1945, 2723, 3112, 3326, 3890, 5446, 6652, 7780, 8315, 10892, 11641, 13304, 13615, 15560, 16630, 21784, 23282, 27230, 33260, 46564, 54460, 58205, 66520, 93128, 108920, 116410, 232820, 465640, 646907, 1293814, 2587628, 3234535, 4528349, 5175256, 6469070, 9056698, 12938140, 18113396, 22641745, 25876280, 36226792, 45283490, 90566980, 181133960]

約数ペア:

[(1, 181133960), (2, 90566980), (4, 45283490), (5, 36226792), (7, 25876280), (8, 22641745), (10, 18113396), (14, 12938140), (20, 9056698), (28, 6469070), (35, 5175256), (40, 4528349), (56, 3234535), (70, 2587628), (140, 1293814), (280, 646907), (389, 465640), (778, 232820), (1556, 116410), (1663, 108920), (1945, 93128), (2723, 66520), (3112, 58205), (3326, 54460), (3890, 46564), (5446, 33260), (6652, 27230), (7780, 23282), (8315, 21784), (10892, 16630), (11641, 15560), (13304, 13615)]