2909878020

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{256603}}^1$

素因数の和:256631

約数の個数: 120

約数和(自身を含む): 10432492224

約数和(自身を除く): 7522614204

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, 256603, 513206, 769809, 1026412, 1283015, 1539618, 1796221, 2309427, 2566030, 3079236, 3592442, 3849045, 4618854, 5132060, 5388663, 6928281, 7184884, 7698090, 8981105, 9237708, 10777326, 11547135, 13856562, 15396180, 16165989, 17962210, 20784843, 21554652, 23094270, 26943315, 27713124, 32331978, 34641405, 35924420, 41569686, 46188540, 48497967, 53886630, 64663956, 69282810, 80829945, 83139372, 96995934, 103924215, 107773260, 138565620, 145493901, 161659890, 193991868, 207848430, 242489835, 290987802, 323319780, 415696860, 484979670, 581975604, 727469505, 969959340, 1454939010, 2909878020]

約数ペア:

[(1, 2909878020), (2, 1454939010), (3, 969959340), (4, 727469505), (5, 581975604), (6, 484979670), (7, 415696860), (9, 323319780), (10, 290987802), (12, 242489835), (14, 207848430), (15, 193991868), (18, 161659890), (20, 145493901), (21, 138565620), (27, 107773260), (28, 103924215), (30, 96995934), (35, 83139372), (36, 80829945), (42, 69282810), (45, 64663956), (54, 53886630), (60, 48497967), (63, 46188540), (70, 41569686), (81, 35924420), (84, 34641405), (90, 32331978), (105, 27713124), (108, 26943315), (126, 23094270), (135, 21554652), (140, 20784843), (162, 17962210), (180, 16165989), (189, 15396180), (210, 13856562), (252, 11547135), (270, 10777326), (315, 9237708), (324, 8981105), (378, 7698090), (405, 7184884), (420, 6928281), (540, 5388663), (567, 5132060), (630, 4618854), (756, 3849045), (810, 3592442), (945, 3079236), (1134, 2566030), (1260, 2309427), (1620, 1796221), (1890, 1539618), (2268, 1283015), (2835, 1026412), (3780, 769809), (5670, 513206), (11340, 256603)]