15288980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{15601}}^1$

素因数の和:15624

約数の個数: 36

約数和(自身を含む): 37351188

約数和(自身を除く): 22062208

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 15601, 31202, 62404, 78005, 109207, 156010, 218414, 312020, 436828, 546035, 764449, 1092070, 1528898, 2184140, 3057796, 3822245, 7644490, 15288980]

約数ペア:

[(1, 15288980), (2, 7644490), (4, 3822245), (5, 3057796), (7, 2184140), (10, 1528898), (14, 1092070), (20, 764449), (28, 546035), (35, 436828), (49, 312020), (70, 218414), (98, 156010), (140, 109207), (196, 78005), (245, 62404), (490, 31202), (980, 15601)]