121641240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{809}}^1$

素因数の和:1009

約数の個数: 128

約数和(自身を含む): 419904000

約数和(自身を除く): 298262760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 179, 210, 280, 358, 420, 537, 716, 809, 840, 895, 1074, 1253, 1432, 1618, 1790, 2148, 2427, 2506, 2685, 3236, 3580, 3759, 4045, 4296, 4854, 5012, 5370, 5663, 6265, 6472, 7160, 7518, 8090, 9708, 10024, 10740, 11326, 12135, 12530, 15036, 16180, 16989, 18795, 19416, 21480, 22652, 24270, 25060, 28315, 30072, 32360, 33978, 37590, 45304, 48540, 50120, 56630, 67956, 75180, 84945, 97080, 113260, 135912, 144811, 150360, 169890, 226520, 289622, 339780, 434433, 579244, 679560, 724055, 868866, 1013677, 1158488, 1448110, 1737732, 2027354, 2172165, 2896220, 3041031, 3475464, 4054708, 4344330, 5068385, 5792440, 6082062, 8109416, 8688660, 10136770, 12164124, 15205155, 17377320, 20273540, 24328248, 30410310, 40547080, 60820620, 121641240]

約数ペア:

[(1, 121641240), (2, 60820620), (3, 40547080), (4, 30410310), (5, 24328248), (6, 20273540), (7, 17377320), (8, 15205155), (10, 12164124), (12, 10136770), (14, 8688660), (15, 8109416), (20, 6082062), (21, 5792440), (24, 5068385), (28, 4344330), (30, 4054708), (35, 3475464), (40, 3041031), (42, 2896220), (56, 2172165), (60, 2027354), (70, 1737732), (84, 1448110), (105, 1158488), (120, 1013677), (140, 868866), (168, 724055), (179, 679560), (210, 579244), (280, 434433), (358, 339780), (420, 289622), (537, 226520), (716, 169890), (809, 150360), (840, 144811), (895, 135912), (1074, 113260), (1253, 97080), (1432, 84945), (1618, 75180), (1790, 67956), (2148, 56630), (2427, 50120), (2506, 48540), (2685, 45304), (3236, 37590), (3580, 33978), (3759, 32360), (4045, 30072), (4296, 28315), (4854, 25060), (5012, 24270), (5370, 22652), (5663, 21480), (6265, 19416), (6472, 18795), (7160, 16989), (7518, 16180), (8090, 15036), (9708, 12530), (10024, 12135), (10740, 11326)]