8214780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19559}}^1$

素因数の和:19578

約数の個数: 48

約数和(自身を含む): 26288640

約数和(自身を除く): 18073860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 19559, 39118, 58677, 78236, 97795, 117354, 136913, 195590, 234708, 273826, 293385, 391180, 410739, 547652, 586770, 684565, 821478, 1173540, 1369130, 1642956, 2053695, 2738260, 4107390, 8214780]

約数ペア:

[(1, 8214780), (2, 4107390), (3, 2738260), (4, 2053695), (5, 1642956), (6, 1369130), (7, 1173540), (10, 821478), (12, 684565), (14, 586770), (15, 547652), (20, 410739), (21, 391180), (28, 293385), (30, 273826), (35, 234708), (42, 195590), (60, 136913), (70, 117354), (84, 97795), (105, 78236), (140, 58677), (210, 39118), (420, 19559)]