16957140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{691}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 47664960

約数和(自身を除く): 30707820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 409, 691, 818, 1227, 1382, 1636, 2045, 2073, 2454, 2764, 3455, 4090, 4146, 4908, 6135, 6910, 8180, 8292, 10365, 12270, 13820, 20730, 24540, 41460, 282619, 565238, 847857, 1130476, 1413095, 1695714, 2826190, 3391428, 4239285, 5652380, 8478570, 16957140]

約数ペア:

[(1, 16957140), (2, 8478570), (3, 5652380), (4, 4239285), (5, 3391428), (6, 2826190), (10, 1695714), (12, 1413095), (15, 1130476), (20, 847857), (30, 565238), (60, 282619), (409, 41460), (691, 24540), (818, 20730), (1227, 13820), (1382, 12270), (1636, 10365), (2045, 8292), (2073, 8180), (2454, 6910), (2764, 6135), (3455, 4908), (4090, 4146)]