65138520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{542821}}^1$

素因数の和:542835

約数の個数: 32

約数和(自身を含む): 195415920

約数和(自身を除く): 130277400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 542821, 1085642, 1628463, 2171284, 2714105, 3256926, 4342568, 5428210, 6513852, 8142315, 10856420, 13027704, 16284630, 21712840, 32569260, 65138520]

約数ペア:

[(1, 65138520), (2, 32569260), (3, 21712840), (4, 16284630), (5, 13027704), (6, 10856420), (8, 8142315), (10, 6513852), (12, 5428210), (15, 4342568), (20, 3256926), (24, 2714105), (30, 2171284), (40, 1628463), (60, 1085642), (120, 542821)]