247919280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{147571}}^1$

素因数の和:147594

約数の個数: 80

約数和(自身を含む): 878348544

約数和(自身を除く): 630429264

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 147571, 295142, 442713, 590284, 737855, 885426, 1032997, 1180568, 1475710, 1770852, 2065994, 2213565, 2361136, 2951420, 3098991, 3541704, 4131988, 4427130, 5164985, 5902840, 6197982, 7083408, 8263976, 8854260, 10329970, 11805680, 12395964, 15494955, 16527952, 17708520, 20659940, 24791928, 30989910, 35417040, 41319880, 49583856, 61979820, 82639760, 123959640, 247919280]

約数ペア:

[(1, 247919280), (2, 123959640), (3, 82639760), (4, 61979820), (5, 49583856), (6, 41319880), (7, 35417040), (8, 30989910), (10, 24791928), (12, 20659940), (14, 17708520), (15, 16527952), (16, 15494955), (20, 12395964), (21, 11805680), (24, 10329970), (28, 8854260), (30, 8263976), (35, 7083408), (40, 6197982), (42, 5902840), (48, 5164985), (56, 4427130), (60, 4131988), (70, 3541704), (80, 3098991), (84, 2951420), (105, 2361136), (112, 2213565), (120, 2065994), (140, 1770852), (168, 1475710), (210, 1180568), (240, 1032997), (280, 885426), (336, 737855), (420, 590284), (560, 442713), (840, 295142), (1680, 147571)]