55180440

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{811}}^1$

素因数の和:844

約数の個数: 192

約数和(自身を含む): 212808960

約数和(自身を除く): 157628520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 280, 315, 324, 360, 378, 405, 420, 486, 504, 540, 567, 630, 648, 756, 810, 811, 840, 945, 972, 1080, 1134, 1215, 1260, 1512, 1620, 1622, 1701, 1890, 1944, 2268, 2430, 2433, 2520, 2835, 3240, 3244, 3402, 3780, 4055, 4536, 4860, 4866, 5670, 5677, 6488, 6804, 7299, 7560, 8110, 8505, 9720, 9732, 11340, 11354, 12165, 13608, 14598, 16220, 17010, 17031, 19464, 21897, 22680, 22708, 24330, 28385, 29196, 32440, 34020, 34062, 36495, 43794, 45416, 48660, 51093, 56770, 58392, 65691, 68040, 68124, 72990, 85155, 87588, 97320, 102186, 109485, 113540, 131382, 136248, 145980, 153279, 170310, 175176, 197073, 204372, 218970, 227080, 255465, 262764, 291960, 306558, 328455, 340620, 394146, 408744, 437940, 459837, 510930, 525528, 613116, 656910, 681240, 766395, 788292, 875880, 919674, 985365, 1021860, 1226232, 1313820, 1379511, 1532790, 1576584, 1839348, 1970730, 2043720, 2299185, 2627640, 2759022, 3065580, 3678696, 3941460, 4598370, 5518044, 6131160, 6897555, 7882920, 9196740, 11036088, 13795110, 18393480, 27590220, 55180440]

約数ペア:

[(1, 55180440), (2, 27590220), (3, 18393480), (4, 13795110), (5, 11036088), (6, 9196740), (7, 7882920), (8, 6897555), (9, 6131160), (10, 5518044), (12, 4598370), (14, 3941460), (15, 3678696), (18, 3065580), (20, 2759022), (21, 2627640), (24, 2299185), (27, 2043720), (28, 1970730), (30, 1839348), (35, 1576584), (36, 1532790), (40, 1379511), (42, 1313820), (45, 1226232), (54, 1021860), (56, 985365), (60, 919674), (63, 875880), (70, 788292), (72, 766395), (81, 681240), (84, 656910), (90, 613116), (105, 525528), (108, 510930), (120, 459837), (126, 437940), (135, 408744), (140, 394146), (162, 340620), (168, 328455), (180, 306558), (189, 291960), (210, 262764), (216, 255465), (243, 227080), (252, 218970), (270, 204372), (280, 197073), (315, 175176), (324, 170310), (360, 153279), (378, 145980), (405, 136248), (420, 131382), (486, 113540), (504, 109485), (540, 102186), (567, 97320), (630, 87588), (648, 85155), (756, 72990), (810, 68124), (811, 68040), (840, 65691), (945, 58392), (972, 56770), (1080, 51093), (1134, 48660), (1215, 45416), (1260, 43794), (1512, 36495), (1620, 34062), (1622, 34020), (1701, 32440), (1890, 29196), (1944, 28385), (2268, 24330), (2430, 22708), (2433, 22680), (2520, 21897), (2835, 19464), (3240, 17031), (3244, 17010), (3402, 16220), (3780, 14598), (4055, 13608), (4536, 12165), (4860, 11354), (4866, 11340), (5670, 9732), (5677, 9720), (6488, 8505), (6804, 8110), (7299, 7560)]