81530330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1039}}^1$

素因数の和:1131

約数の個数: 64

約数和(自身を含む): 179712000

約数和(自身を除く): 98181670

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 59, 70, 95, 118, 133, 190, 266, 295, 413, 590, 665, 826, 1039, 1121, 1330, 2065, 2078, 2242, 4130, 5195, 5605, 7273, 7847, 10390, 11210, 14546, 15694, 19741, 36365, 39235, 39482, 61301, 72730, 78470, 98705, 122602, 138187, 197410, 276374, 306505, 429107, 613010, 690935, 858214, 1164719, 1381870, 2145535, 2329438, 4291070, 5823595, 8153033, 11647190, 16306066, 40765165, 81530330]

約数ペア:

[(1, 81530330), (2, 40765165), (5, 16306066), (7, 11647190), (10, 8153033), (14, 5823595), (19, 4291070), (35, 2329438), (38, 2145535), (59, 1381870), (70, 1164719), (95, 858214), (118, 690935), (133, 613010), (190, 429107), (266, 306505), (295, 276374), (413, 197410), (590, 138187), (665, 122602), (826, 98705), (1039, 78470), (1121, 72730), (1330, 61301), (2065, 39482), (2078, 39235), (2242, 36365), (4130, 19741), (5195, 15694), (5605, 14546), (7273, 11210), (7847, 10390)]