68666280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1471}}^1$

素因数の和:1874

約数の個数: 64

約数和(自身を含む): 206668800

約数和(自身を除く): 138002520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 389, 778, 1167, 1471, 1556, 1945, 2334, 2942, 3112, 3890, 4413, 4668, 5835, 5884, 7355, 7780, 8826, 9336, 11670, 11768, 14710, 15560, 17652, 22065, 23340, 29420, 35304, 44130, 46680, 58840, 88260, 176520, 572219, 1144438, 1716657, 2288876, 2861095, 3433314, 4577752, 5722190, 6866628, 8583285, 11444380, 13733256, 17166570, 22888760, 34333140, 68666280]

約数ペア:

[(1, 68666280), (2, 34333140), (3, 22888760), (4, 17166570), (5, 13733256), (6, 11444380), (8, 8583285), (10, 6866628), (12, 5722190), (15, 4577752), (20, 3433314), (24, 2861095), (30, 2288876), (40, 1716657), (60, 1144438), (120, 572219), (389, 176520), (778, 88260), (1167, 58840), (1471, 46680), (1556, 44130), (1945, 35304), (2334, 29420), (2942, 23340), (3112, 22065), (3890, 17652), (4413, 15560), (4668, 14710), (5835, 11768), (5884, 11670), (7355, 9336), (7780, 8826)]