212975280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{42257}}^1$

素因数の和:42283

約数の個数: 120

約数和(自身を含む): 817438752

約数和(自身を除く): 604463472

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 42257, 84514, 126771, 169028, 211285, 253542, 295799, 338056, 380313, 422570, 507084, 591598, 633855, 676112, 760626, 845140, 887397, 1014168, 1183196, 1267710, 1478995, 1521252, 1690280, 1774794, 1901565, 2028336, 2366392, 2535420, 2662191, 2957990, 3042504, 3380560, 3549588, 3803130, 4436985, 4732784, 5070840, 5324382, 5915980, 6085008, 7099176, 7606260, 8873970, 10141680, 10648764, 11831960, 13310955, 14198352, 15212520, 17747940, 21297528, 23663920, 26621910, 30425040, 35495880, 42595056, 53243820, 70991760, 106487640, 212975280]

約数ペア:

[(1, 212975280), (2, 106487640), (3, 70991760), (4, 53243820), (5, 42595056), (6, 35495880), (7, 30425040), (8, 26621910), (9, 23663920), (10, 21297528), (12, 17747940), (14, 15212520), (15, 14198352), (16, 13310955), (18, 11831960), (20, 10648764), (21, 10141680), (24, 8873970), (28, 7606260), (30, 7099176), (35, 6085008), (36, 5915980), (40, 5324382), (42, 5070840), (45, 4732784), (48, 4436985), (56, 3803130), (60, 3549588), (63, 3380560), (70, 3042504), (72, 2957990), (80, 2662191), (84, 2535420), (90, 2366392), (105, 2028336), (112, 1901565), (120, 1774794), (126, 1690280), (140, 1521252), (144, 1478995), (168, 1267710), (180, 1183196), (210, 1014168), (240, 887397), (252, 845140), (280, 760626), (315, 676112), (336, 633855), (360, 591598), (420, 507084), (504, 422570), (560, 380313), (630, 338056), (720, 295799), (840, 253542), (1008, 211285), (1260, 169028), (1680, 126771), (2520, 84514), (5040, 42257)]