261858030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1246943}}^1$

素因数の和:1246960

約数の個数: 32

約数和(自身を含む): 718239744

約数和(自身を除く): 456381714

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1246943, 2493886, 3740829, 6234715, 7481658, 8728601, 12469430, 17457202, 18704145, 26185803, 37408290, 43643005, 52371606, 87286010, 130929015, 261858030]

約数ペア:

[(1, 261858030), (2, 130929015), (3, 87286010), (5, 52371606), (6, 43643005), (7, 37408290), (10, 26185803), (14, 18704145), (15, 17457202), (21, 12469430), (30, 8728601), (35, 7481658), (42, 6234715), (70, 3740829), (105, 2493886), (210, 1246943)]