1645760

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:193

約数の個数: 56

約数和(自身を含む): 4053840

約数和(自身を除く): 2408080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 139, 148, 160, 185, 278, 296, 320, 370, 556, 592, 695, 740, 1112, 1184, 1390, 1480, 2224, 2368, 2780, 2960, 4448, 5143, 5560, 5920, 8896, 10286, 11120, 11840, 20572, 22240, 25715, 41144, 44480, 51430, 82288, 102860, 164576, 205720, 329152, 411440, 822880, 1645760]

約数ペア:

[(1, 1645760), (2, 822880), (4, 411440), (5, 329152), (8, 205720), (10, 164576), (16, 102860), (20, 82288), (32, 51430), (37, 44480), (40, 41144), (64, 25715), (74, 22240), (80, 20572), (139, 11840), (148, 11120), (160, 10286), (185, 8896), (278, 5920), (296, 5560), (320, 5143), (370, 4448), (556, 2960), (592, 2780), (695, 2368), (740, 2224), (1112, 1480), (1184, 1390)]