1381230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:265

約数の個数: 48

約数和(自身を含む): 3650400

約数和(自身を除く): 2269170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 103, 149, 206, 298, 309, 447, 515, 618, 745, 894, 927, 1030, 1341, 1490, 1545, 1854, 2235, 2682, 3090, 4470, 4635, 6705, 9270, 13410, 15347, 30694, 46041, 76735, 92082, 138123, 153470, 230205, 276246, 460410, 690615, 1381230]

約数ペア:

[(1, 1381230), (2, 690615), (3, 460410), (5, 276246), (6, 230205), (9, 153470), (10, 138123), (15, 92082), (18, 76735), (30, 46041), (45, 30694), (90, 15347), (103, 13410), (149, 9270), (206, 6705), (298, 4635), (309, 4470), (447, 3090), (515, 2682), (618, 2235), (745, 1854), (894, 1545), (927, 1490), (1030, 1341)]