217293540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{3621559}}^1$

素因数の和:3621571

約数の個数: 24

約数和(自身を含む): 608422080

約数和(自身を除く): 391128540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 3621559, 7243118, 10864677, 14486236, 18107795, 21729354, 36215590, 43458708, 54323385, 72431180, 108646770, 217293540]

約数ペア:

[(1, 217293540), (2, 108646770), (3, 72431180), (4, 54323385), (5, 43458708), (6, 36215590), (10, 21729354), (12, 18107795), (15, 14486236), (20, 10864677), (30, 7243118), (60, 3621559)]