80838870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1103}}^1$

素因数の和:1469

約数の個数: 64

約数和(自身を含む): 222566400

約数和(自身を除く): 141727530

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 349, 698, 1047, 1103, 1745, 2094, 2206, 2443, 3309, 3490, 4886, 5235, 5515, 6618, 7329, 7721, 10470, 11030, 12215, 14658, 15442, 16545, 23163, 24430, 33090, 36645, 38605, 46326, 73290, 77210, 115815, 231630, 384947, 769894, 1154841, 1924735, 2309682, 2694629, 3849470, 5389258, 5774205, 8083887, 11548410, 13473145, 16167774, 26946290, 40419435, 80838870]

約数ペア:

[(1, 80838870), (2, 40419435), (3, 26946290), (5, 16167774), (6, 13473145), (7, 11548410), (10, 8083887), (14, 5774205), (15, 5389258), (21, 3849470), (30, 2694629), (35, 2309682), (42, 1924735), (70, 1154841), (105, 769894), (210, 384947), (349, 231630), (698, 115815), (1047, 77210), (1103, 73290), (1745, 46326), (2094, 38605), (2206, 36645), (2443, 33090), (3309, 24430), (3490, 23163), (4886, 16545), (5235, 15442), (5515, 14658), (6618, 12215), (7329, 11030), (7721, 10470)]