8180340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19477}}^1$

素因数の和:19496

約数の個数: 48

約数和(自身を含む): 26178432

約数和(自身を除く): 17998092

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, 19477, 38954, 58431, 77908, 97385, 116862, 136339, 194770, 233724, 272678, 292155, 389540, 409017, 545356, 584310, 681695, 818034, 1168620, 1363390, 1636068, 2045085, 2726780, 4090170, 8180340]

約数ペア:

[(1, 8180340), (2, 4090170), (3, 2726780), (4, 2045085), (5, 1636068), (6, 1363390), (7, 1168620), (10, 818034), (12, 681695), (14, 584310), (15, 545356), (20, 409017), (21, 389540), (28, 292155), (30, 272678), (35, 233724), (42, 194770), (60, 136339), (70, 116862), (84, 97385), (105, 77908), (140, 58431), (210, 38954), (420, 19477)]