12615260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{359}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 30481920

約数和(自身を除く): 17866660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 359, 502, 718, 1004, 1255, 1436, 1757, 1795, 2510, 2513, 3514, 3590, 5020, 5026, 7028, 7180, 8785, 10052, 12565, 17570, 25130, 35140, 50260, 90109, 180218, 360436, 450545, 630763, 901090, 1261526, 1802180, 2523052, 3153815, 6307630, 12615260]

約数ペア:

[(1, 12615260), (2, 6307630), (4, 3153815), (5, 2523052), (7, 1802180), (10, 1261526), (14, 901090), (20, 630763), (28, 450545), (35, 360436), (70, 180218), (140, 90109), (251, 50260), (359, 35140), (502, 25130), (718, 17570), (1004, 12565), (1255, 10052), (1436, 8785), (1757, 7180), (1795, 7028), (2510, 5026), (2513, 5020), (3514, 3590)]