281879820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{82421}}^1$

素因数の和:82455

約数の個数: 72

約数和(自身を含む): 900048240

約数和(自身を除く): 618168420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 82421, 164842, 247263, 329684, 412105, 494526, 741789, 824210, 989052, 1236315, 1483578, 1565999, 1648420, 2472630, 2967156, 3131998, 3708945, 4697997, 4945260, 6263996, 7417890, 7829995, 9395994, 14093991, 14835780, 15659990, 18791988, 23489985, 28187982, 31319980, 46979970, 56375964, 70469955, 93959940, 140939910, 281879820]

約数ペア:

[(1, 281879820), (2, 140939910), (3, 93959940), (4, 70469955), (5, 56375964), (6, 46979970), (9, 31319980), (10, 28187982), (12, 23489985), (15, 18791988), (18, 15659990), (19, 14835780), (20, 14093991), (30, 9395994), (36, 7829995), (38, 7417890), (45, 6263996), (57, 4945260), (60, 4697997), (76, 3708945), (90, 3131998), (95, 2967156), (114, 2472630), (171, 1648420), (180, 1565999), (190, 1483578), (228, 1236315), (285, 989052), (342, 824210), (380, 741789), (570, 494526), (684, 412105), (855, 329684), (1140, 247263), (1710, 164842), (3420, 82421)]