255569580

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:786

約数の個数: 240

約数和(自身を含む): 947122176

約数和(自身を除く): 691552596

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 81, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 162, 180, 186, 189, 210, 217, 252, 270, 279, 310, 315, 324, 372, 378, 405, 420, 434, 465, 540, 558, 567, 620, 630, 651, 727, 756, 810, 837, 868, 930, 945, 1085, 1116, 1134, 1260, 1302, 1395, 1454, 1620, 1674, 1860, 1890, 1953, 2170, 2181, 2268, 2511, 2604, 2790, 2835, 2908, 3255, 3348, 3635, 3780, 3906, 4185, 4340, 4362, 5022, 5089, 5580, 5670, 5859, 6510, 6543, 7270, 7812, 8370, 8724, 9765, 10044, 10178, 10905, 11340, 11718, 12555, 13020, 13086, 14540, 15267, 16740, 17577, 19530, 19629, 20356, 21810, 22537, 23436, 25110, 25445, 26172, 29295, 30534, 32715, 35154, 39060, 39258, 43620, 45074, 45801, 50220, 50890, 58590, 58887, 61068, 65430, 67611, 70308, 76335, 78516, 87885, 90148, 91602, 98145, 101780, 112685, 117180, 117774, 130860, 135222, 137403, 152670, 157759, 175770, 183204, 196290, 202833, 225370, 229005, 235548, 270444, 274806, 294435, 305340, 315518, 338055, 351540, 392580, 405666, 412209, 450740, 458010, 473277, 549612, 588870, 608499, 631036, 676110, 687015, 788795, 811332, 824418, 916020, 946554, 1014165, 1177740, 1216998, 1352220, 1374030, 1419831, 1577590, 1648836, 1825497, 1893108, 2028330, 2061045, 2366385, 2433996, 2748060, 2839662, 3042495, 3155180, 3650994, 4056660, 4122090, 4259493, 4732770, 5679324, 6084990, 7099155, 7301988, 8244180, 8518986, 9127485, 9465540, 12169980, 12778479, 14198310, 17037972, 18254970, 21297465, 25556958, 28396620, 36509940, 42594930, 51113916, 63892395, 85189860, 127784790, 255569580]

約数ペア:

[(1, 255569580), (2, 127784790), (3, 85189860), (4, 63892395), (5, 51113916), (6, 42594930), (7, 36509940), (9, 28396620), (10, 25556958), (12, 21297465), (14, 18254970), (15, 17037972), (18, 14198310), (20, 12778479), (21, 12169980), (27, 9465540), (28, 9127485), (30, 8518986), (31, 8244180), (35, 7301988), (36, 7099155), (42, 6084990), (45, 5679324), (54, 4732770), (60, 4259493), (62, 4122090), (63, 4056660), (70, 3650994), (81, 3155180), (84, 3042495), (90, 2839662), (93, 2748060), (105, 2433996), (108, 2366385), (124, 2061045), (126, 2028330), (135, 1893108), (140, 1825497), (155, 1648836), (162, 1577590), (180, 1419831), (186, 1374030), (189, 1352220), (210, 1216998), (217, 1177740), (252, 1014165), (270, 946554), (279, 916020), (310, 824418), (315, 811332), (324, 788795), (372, 687015), (378, 676110), (405, 631036), (420, 608499), (434, 588870), (465, 549612), (540, 473277), (558, 458010), (567, 450740), (620, 412209), (630, 405666), (651, 392580), (727, 351540), (756, 338055), (810, 315518), (837, 305340), (868, 294435), (930, 274806), (945, 270444), (1085, 235548), (1116, 229005), (1134, 225370), (1260, 202833), (1302, 196290), (1395, 183204), (1454, 175770), (1620, 157759), (1674, 152670), (1860, 137403), (1890, 135222), (1953, 130860), (2170, 117774), (2181, 117180), (2268, 112685), (2511, 101780), (2604, 98145), (2790, 91602), (2835, 90148), (2908, 87885), (3255, 78516), (3348, 76335), (3635, 70308), (3780, 67611), (3906, 65430), (4185, 61068), (4340, 58887), (4362, 58590), (5022, 50890), (5089, 50220), (5580, 45801), (5670, 45074), (5859, 43620), (6510, 39258), (6543, 39060), (7270, 35154), (7812, 32715), (8370, 30534), (8724, 29295), (9765, 26172), (10044, 25445), (10178, 25110), (10905, 23436), (11340, 22537), (11718, 21810), (12555, 20356), (13020, 19629), (13086, 19530), (14540, 17577), (15267, 16740)]