281514240

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{3491}}^1$

素因数の和:3525

約数の個数: 216

約数和(自身を含む): 1113473088

約数和(自身を除く): 831958848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3491, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 6982, 8064, 8960, 10080, 10473, 11520, 13440, 13964, 16128, 17455, 20160, 20946, 24437, 26880, 27928, 31419, 34910, 40320, 41892, 48874, 52365, 55856, 62838, 69820, 73311, 80640, 83784, 97748, 104730, 111712, 122185, 125676, 139640, 146622, 157095, 167568, 195496, 209460, 219933, 223424, 244370, 251352, 279280, 293244, 314190, 335136, 366555, 390992, 418920, 439866, 446848, 488740, 502704, 558560, 586488, 628380, 670272, 733110, 781984, 837840, 879732, 893696, 977480, 1005408, 1099665, 1117120, 1172976, 1256760, 1340544, 1466220, 1563968, 1675680, 1759464, 1954960, 2010816, 2199330, 2234240, 2345952, 2513520, 2681088, 2932440, 3127936, 3351360, 3518928, 3909920, 4021632, 4398660, 4468480, 4691904, 5027040, 5864880, 6255872, 6702720, 7037856, 7819840, 8043264, 8797320, 9383808, 10054080, 11729760, 13405440, 14075712, 15639680, 17594640, 18767616, 20108160, 23459520, 28151424, 31279360, 35189280, 40216320, 46919040, 56302848, 70378560, 93838080, 140757120, 281514240]

約数ペア:

[(1, 281514240), (2, 140757120), (3, 93838080), (4, 70378560), (5, 56302848), (6, 46919040), (7, 40216320), (8, 35189280), (9, 31279360), (10, 28151424), (12, 23459520), (14, 20108160), (15, 18767616), (16, 17594640), (18, 15639680), (20, 14075712), (21, 13405440), (24, 11729760), (28, 10054080), (30, 9383808), (32, 8797320), (35, 8043264), (36, 7819840), (40, 7037856), (42, 6702720), (45, 6255872), (48, 5864880), (56, 5027040), (60, 4691904), (63, 4468480), (64, 4398660), (70, 4021632), (72, 3909920), (80, 3518928), (84, 3351360), (90, 3127936), (96, 2932440), (105, 2681088), (112, 2513520), (120, 2345952), (126, 2234240), (128, 2199330), (140, 2010816), (144, 1954960), (160, 1759464), (168, 1675680), (180, 1563968), (192, 1466220), (210, 1340544), (224, 1256760), (240, 1172976), (252, 1117120), (256, 1099665), (280, 1005408), (288, 977480), (315, 893696), (320, 879732), (336, 837840), (360, 781984), (384, 733110), (420, 670272), (448, 628380), (480, 586488), (504, 558560), (560, 502704), (576, 488740), (630, 446848), (640, 439866), (672, 418920), (720, 390992), (768, 366555), (840, 335136), (896, 314190), (960, 293244), (1008, 279280), (1120, 251352), (1152, 244370), (1260, 223424), (1280, 219933), (1344, 209460), (1440, 195496), (1680, 167568), (1792, 157095), (1920, 146622), (2016, 139640), (2240, 125676), (2304, 122185), (2520, 111712), (2688, 104730), (2880, 97748), (3360, 83784), (3491, 80640), (3840, 73311), (4032, 69820), (4480, 62838), (5040, 55856), (5376, 52365), (5760, 48874), (6720, 41892), (6982, 40320), (8064, 34910), (8960, 31419), (10080, 27928), (10473, 26880), (11520, 24437), (13440, 20946), (13964, 20160), (16128, 17455)]