51115680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1$

素因数の和:500

約数の個数: 288

約数和(自身を含む): 217945728

約数和(自身を除く): 166830048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 96, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 160, 165, 168, 176, 180, 198, 210, 220, 224, 231, 240, 252, 264, 280, 288, 308, 315, 330, 336, 352, 360, 385, 396, 420, 440, 461, 462, 480, 495, 504, 528, 560, 616, 630, 660, 672, 693, 720, 770, 792, 840, 880, 922, 924, 990, 1008, 1056, 1120, 1155, 1232, 1260, 1320, 1383, 1386, 1440, 1540, 1584, 1680, 1760, 1844, 1848, 1980, 2016, 2305, 2310, 2464, 2520, 2640, 2766, 2772, 3080, 3168, 3227, 3360, 3465, 3688, 3696, 3960, 4149, 4610, 4620, 5040, 5071, 5280, 5532, 5544, 6160, 6454, 6915, 6930, 7376, 7392, 7920, 8298, 9220, 9240, 9681, 10080, 10142, 11064, 11088, 12320, 12908, 13830, 13860, 14752, 15213, 15840, 16135, 16596, 18440, 18480, 19362, 20284, 20745, 22128, 22176, 25355, 25816, 27660, 27720, 29043, 30426, 32270, 33192, 35497, 36880, 36960, 38724, 40568, 41490, 44256, 45639, 48405, 50710, 51632, 55320, 55440, 58086, 60852, 64540, 66384, 70994, 73760, 76065, 77448, 81136, 82980, 91278, 96810, 101420, 103264, 106491, 110640, 110880, 116172, 121704, 129080, 132768, 141988, 145215, 152130, 154896, 162272, 165960, 177485, 182556, 193620, 202840, 212982, 221280, 228195, 232344, 243408, 258160, 283976, 290430, 304260, 309792, 319473, 331920, 354970, 365112, 387240, 405680, 425964, 456390, 464688, 486816, 516320, 532455, 567952, 580860, 608520, 638946, 663840, 709940, 730224, 774480, 811360, 851928, 912780, 929376, 1064910, 1135904, 1161720, 1217040, 1277892, 1419880, 1460448, 1548960, 1597365, 1703856, 1825560, 2129820, 2323440, 2434080, 2555784, 2839760, 3194730, 3407712, 3651120, 4259640, 4646880, 5111568, 5679520, 6389460, 7302240, 8519280, 10223136, 12778920, 17038560, 25557840, 51115680]

約数ペア:

[(1, 51115680), (2, 25557840), (3, 17038560), (4, 12778920), (5, 10223136), (6, 8519280), (7, 7302240), (8, 6389460), (9, 5679520), (10, 5111568), (11, 4646880), (12, 4259640), (14, 3651120), (15, 3407712), (16, 3194730), (18, 2839760), (20, 2555784), (21, 2434080), (22, 2323440), (24, 2129820), (28, 1825560), (30, 1703856), (32, 1597365), (33, 1548960), (35, 1460448), (36, 1419880), (40, 1277892), (42, 1217040), (44, 1161720), (45, 1135904), (48, 1064910), (55, 929376), (56, 912780), (60, 851928), (63, 811360), (66, 774480), (70, 730224), (72, 709940), (77, 663840), (80, 638946), (84, 608520), (88, 580860), (90, 567952), (96, 532455), (99, 516320), (105, 486816), (110, 464688), (112, 456390), (120, 425964), (126, 405680), (132, 387240), (140, 365112), (144, 354970), (154, 331920), (160, 319473), (165, 309792), (168, 304260), (176, 290430), (180, 283976), (198, 258160), (210, 243408), (220, 232344), (224, 228195), (231, 221280), (240, 212982), (252, 202840), (264, 193620), (280, 182556), (288, 177485), (308, 165960), (315, 162272), (330, 154896), (336, 152130), (352, 145215), (360, 141988), (385, 132768), (396, 129080), (420, 121704), (440, 116172), (461, 110880), (462, 110640), (480, 106491), (495, 103264), (504, 101420), (528, 96810), (560, 91278), (616, 82980), (630, 81136), (660, 77448), (672, 76065), (693, 73760), (720, 70994), (770, 66384), (792, 64540), (840, 60852), (880, 58086), (922, 55440), (924, 55320), (990, 51632), (1008, 50710), (1056, 48405), (1120, 45639), (1155, 44256), (1232, 41490), (1260, 40568), (1320, 38724), (1383, 36960), (1386, 36880), (1440, 35497), (1540, 33192), (1584, 32270), (1680, 30426), (1760, 29043), (1844, 27720), (1848, 27660), (1980, 25816), (2016, 25355), (2305, 22176), (2310, 22128), (2464, 20745), (2520, 20284), (2640, 19362), (2766, 18480), (2772, 18440), (3080, 16596), (3168, 16135), (3227, 15840), (3360, 15213), (3465, 14752), (3688, 13860), (3696, 13830), (3960, 12908), (4149, 12320), (4610, 11088), (4620, 11064), (5040, 10142), (5071, 10080), (5280, 9681), (5532, 9240), (5544, 9220), (6160, 8298), (6454, 7920), (6915, 7392), (6930, 7376)]