61968440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{349}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 146664000

約数和(自身を除く): 84695560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 193, 230, 349, 386, 460, 698, 772, 920, 965, 1396, 1544, 1745, 1930, 2792, 3490, 3860, 4439, 6980, 7720, 8027, 8878, 13960, 16054, 17756, 22195, 32108, 35512, 40135, 44390, 64216, 67357, 80270, 88780, 134714, 160540, 177560, 269428, 321080, 336785, 538856, 673570, 1347140, 1549211, 2694280, 3098422, 6196844, 7746055, 12393688, 15492110, 30984220, 61968440]

約数ペア:

[(1, 61968440), (2, 30984220), (4, 15492110), (5, 12393688), (8, 7746055), (10, 6196844), (20, 3098422), (23, 2694280), (40, 1549211), (46, 1347140), (92, 673570), (115, 538856), (184, 336785), (193, 321080), (230, 269428), (349, 177560), (386, 160540), (460, 134714), (698, 88780), (772, 80270), (920, 67357), (965, 64216), (1396, 44390), (1544, 40135), (1745, 35512), (1930, 32108), (2792, 22195), (3490, 17756), (3860, 16054), (4439, 13960), (6980, 8878), (7720, 8027)]