27900930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1579}}^1$

素因数の和:1639

約数の個数: 64

約数和(自身を含む): 72806400

約数和(自身を除く): 44905470

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 31, 38, 57, 62, 93, 95, 114, 155, 186, 190, 285, 310, 465, 570, 589, 930, 1178, 1579, 1767, 2945, 3158, 3534, 4737, 5890, 7895, 8835, 9474, 15790, 17670, 23685, 30001, 47370, 48949, 60002, 90003, 97898, 146847, 150005, 180006, 244745, 293694, 300010, 450015, 489490, 734235, 900030, 930031, 1468470, 1860062, 2790093, 4650155, 5580186, 9300310, 13950465, 27900930]

約数ペア:

[(1, 27900930), (2, 13950465), (3, 9300310), (5, 5580186), (6, 4650155), (10, 2790093), (15, 1860062), (19, 1468470), (30, 930031), (31, 900030), (38, 734235), (57, 489490), (62, 450015), (93, 300010), (95, 293694), (114, 244745), (155, 180006), (186, 150005), (190, 146847), (285, 97898), (310, 90003), (465, 60002), (570, 48949), (589, 47370), (930, 30001), (1178, 23685), (1579, 17670), (1767, 15790), (2945, 9474), (3158, 8835), (3534, 7895), (4737, 5890)]