28682640

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{271}}^1$

素因数の和:307

約数の個数: 240

約数和(自身を含む): 115349760

約数和(自身を除く): 86667120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 271, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 542, 560, 588, 630, 720, 735, 756, 784, 813, 840, 882, 945, 980, 1008, 1080, 1084, 1176, 1260, 1323, 1355, 1470, 1512, 1626, 1680, 1764, 1890, 1897, 1960, 2160, 2168, 2205, 2352, 2439, 2520, 2646, 2710, 2940, 3024, 3252, 3528, 3780, 3794, 3920, 4065, 4336, 4410, 4878, 5040, 5292, 5420, 5691, 5880, 6504, 6615, 7056, 7317, 7560, 7588, 8130, 8820, 9485, 9756, 10584, 10840, 11382, 11760, 12195, 13008, 13230, 13279, 14634, 15120, 15176, 16260, 17073, 17640, 18970, 19512, 21168, 21680, 22764, 24390, 26460, 26558, 28455, 29268, 30352, 32520, 34146, 35280, 36585, 37940, 39024, 39837, 45528, 48780, 51219, 52920, 53116, 56910, 58536, 65040, 66395, 68292, 73170, 75880, 79674, 85365, 91056, 97560, 102438, 105840, 106232, 113820, 117072, 119511, 132790, 136584, 146340, 151760, 159348, 170730, 195120, 199185, 204876, 212464, 227640, 239022, 256095, 265580, 273168, 292680, 318696, 341460, 358533, 398370, 409752, 455280, 478044, 512190, 531160, 585360, 597555, 637392, 682920, 717066, 796740, 819504, 956088, 1024380, 1062320, 1195110, 1365840, 1434132, 1593480, 1792665, 1912176, 2048760, 2390220, 2868264, 3186960, 3585330, 4097520, 4780440, 5736528, 7170660, 9560880, 14341320, 28682640]

約数ペア:

[(1, 28682640), (2, 14341320), (3, 9560880), (4, 7170660), (5, 5736528), (6, 4780440), (7, 4097520), (8, 3585330), (9, 3186960), (10, 2868264), (12, 2390220), (14, 2048760), (15, 1912176), (16, 1792665), (18, 1593480), (20, 1434132), (21, 1365840), (24, 1195110), (27, 1062320), (28, 1024380), (30, 956088), (35, 819504), (36, 796740), (40, 717066), (42, 682920), (45, 637392), (48, 597555), (49, 585360), (54, 531160), (56, 512190), (60, 478044), (63, 455280), (70, 409752), (72, 398370), (80, 358533), (84, 341460), (90, 318696), (98, 292680), (105, 273168), (108, 265580), (112, 256095), (120, 239022), (126, 227640), (135, 212464), (140, 204876), (144, 199185), (147, 195120), (168, 170730), (180, 159348), (189, 151760), (196, 146340), (210, 136584), (216, 132790), (240, 119511), (245, 117072), (252, 113820), (270, 106232), (271, 105840), (280, 102438), (294, 97560), (315, 91056), (336, 85365), (360, 79674), (378, 75880), (392, 73170), (420, 68292), (432, 66395), (441, 65040), (490, 58536), (504, 56910), (540, 53116), (542, 52920), (560, 51219), (588, 48780), (630, 45528), (720, 39837), (735, 39024), (756, 37940), (784, 36585), (813, 35280), (840, 34146), (882, 32520), (945, 30352), (980, 29268), (1008, 28455), (1080, 26558), (1084, 26460), (1176, 24390), (1260, 22764), (1323, 21680), (1355, 21168), (1470, 19512), (1512, 18970), (1626, 17640), (1680, 17073), (1764, 16260), (1890, 15176), (1897, 15120), (1960, 14634), (2160, 13279), (2168, 13230), (2205, 13008), (2352, 12195), (2439, 11760), (2520, 11382), (2646, 10840), (2710, 10584), (2940, 9756), (3024, 9485), (3252, 8820), (3528, 8130), (3780, 7588), (3794, 7560), (3920, 7317), (4065, 7056), (4336, 6615), (4410, 6504), (4878, 5880), (5040, 5691), (5292, 5420)]