71519940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1583}}^1$

素因数の和:1849

約数の個数: 72

約数和(自身を含む): 217945728

約数和(自身を除く): 146425788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1506, 1583, 2259, 2510, 3012, 3166, 3765, 4518, 4749, 5020, 6332, 7530, 7915, 9036, 9498, 11295, 14247, 15060, 15830, 18996, 22590, 23745, 28494, 31660, 45180, 47490, 56988, 71235, 94980, 142470, 284940, 397333, 794666, 1191999, 1589332, 1986665, 2383998, 3575997, 3973330, 4767996, 5959995, 7151994, 7946660, 11919990, 14303988, 17879985, 23839980, 35759970, 71519940]

約数ペア:

[(1, 71519940), (2, 35759970), (3, 23839980), (4, 17879985), (5, 14303988), (6, 11919990), (9, 7946660), (10, 7151994), (12, 5959995), (15, 4767996), (18, 3973330), (20, 3575997), (30, 2383998), (36, 1986665), (45, 1589332), (60, 1191999), (90, 794666), (180, 397333), (251, 284940), (502, 142470), (753, 94980), (1004, 71235), (1255, 56988), (1506, 47490), (1583, 45180), (2259, 31660), (2510, 28494), (3012, 23745), (3166, 22590), (3765, 18996), (4518, 15830), (4749, 15060), (5020, 14247), (6332, 11295), (7530, 9498), (7915, 9036)]