8245140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1049}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 23284800

約数和(自身を除く): 15039660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1049, 1310, 1572, 1965, 2098, 2620, 3147, 3930, 4196, 5245, 6294, 7860, 10490, 12588, 15735, 20980, 31470, 62940, 137419, 274838, 412257, 549676, 687095, 824514, 1374190, 1649028, 2061285, 2748380, 4122570, 8245140]

約数ペア:

[(1, 8245140), (2, 4122570), (3, 2748380), (4, 2061285), (5, 1649028), (6, 1374190), (10, 824514), (12, 687095), (15, 549676), (20, 412257), (30, 274838), (60, 137419), (131, 62940), (262, 31470), (393, 20980), (524, 15735), (655, 12588), (786, 10490), (1049, 7860), (1310, 6294), (1572, 5245), (1965, 4196), (2098, 3930), (2620, 3147)]