28947016980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{2552647}}^1$

素因数の和:2552675

約数の個数: 120

約数和(自身を含む): 103780457088

約数和(自身を除く): 74833440108

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 2552647, 5105294, 7657941, 10210588, 12763235, 15315882, 17868529, 22973823, 25526470, 30631764, 35737058, 38289705, 45947646, 51052940, 53605587, 68921469, 71474116, 76579410, 89342645, 91895292, 107211174, 114869115, 137842938, 153158820, 160816761, 178685290, 206764407, 214422348, 229738230, 268027935, 275685876, 321633522, 344607345, 357370580, 413528814, 459476460, 482450283, 536055870, 643267044, 689214690, 804083805, 827057628, 964900566, 1033822035, 1072111740, 1378429380, 1447350849, 1608167610, 1929801132, 2067644070, 2412251415, 2894701698, 3216335220, 4135288140, 4824502830, 5789403396, 7236754245, 9649005660, 14473508490, 28947016980]

約数ペア:

[(1, 28947016980), (2, 14473508490), (3, 9649005660), (4, 7236754245), (5, 5789403396), (6, 4824502830), (7, 4135288140), (9, 3216335220), (10, 2894701698), (12, 2412251415), (14, 2067644070), (15, 1929801132), (18, 1608167610), (20, 1447350849), (21, 1378429380), (27, 1072111740), (28, 1033822035), (30, 964900566), (35, 827057628), (36, 804083805), (42, 689214690), (45, 643267044), (54, 536055870), (60, 482450283), (63, 459476460), (70, 413528814), (81, 357370580), (84, 344607345), (90, 321633522), (105, 275685876), (108, 268027935), (126, 229738230), (135, 214422348), (140, 206764407), (162, 178685290), (180, 160816761), (189, 153158820), (210, 137842938), (252, 114869115), (270, 107211174), (315, 91895292), (324, 89342645), (378, 76579410), (405, 71474116), (420, 68921469), (540, 53605587), (567, 51052940), (630, 45947646), (756, 38289705), (810, 35737058), (945, 30631764), (1134, 25526470), (1260, 22973823), (1620, 17868529), (1890, 15315882), (2268, 12763235), (2835, 10210588), (3780, 7657941), (5670, 5105294), (11340, 2552647)]