1531720

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 3483000

約数和(自身を除く): 1951280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 257, 298, 514, 596, 745, 1028, 1192, 1285, 1490, 2056, 2570, 2980, 5140, 5960, 10280, 38293, 76586, 153172, 191465, 306344, 382930, 765860, 1531720]

約数ペア:

[(1, 1531720), (2, 765860), (4, 382930), (5, 306344), (8, 191465), (10, 153172), (20, 76586), (40, 38293), (149, 10280), (257, 5960), (298, 5140), (514, 2980), (596, 2570), (745, 2056), (1028, 1490), (1192, 1285)]