255019520

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:163

約数の個数: 240

約数和(自身を含む): 755710560

約数和(自身を除く): 500691040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 98, 107, 112, 128, 133, 140, 152, 160, 190, 196, 214, 224, 245, 256, 266, 280, 304, 320, 380, 392, 428, 448, 490, 512, 532, 535, 560, 608, 640, 665, 749, 760, 784, 856, 896, 931, 980, 1064, 1070, 1120, 1216, 1280, 1330, 1498, 1520, 1568, 1712, 1792, 1862, 1960, 2033, 2128, 2140, 2240, 2432, 2560, 2660, 2996, 3040, 3136, 3424, 3584, 3724, 3745, 3920, 4066, 4256, 4280, 4480, 4655, 4864, 5243, 5320, 5992, 6080, 6272, 6848, 7448, 7490, 7840, 8132, 8512, 8560, 8960, 9310, 9728, 10165, 10486, 10640, 11984, 12160, 12544, 13696, 14231, 14896, 14980, 15680, 16264, 17024, 17120, 17920, 18620, 20330, 20972, 21280, 23968, 24320, 25088, 26215, 27392, 28462, 29792, 29960, 31360, 32528, 34048, 34240, 37240, 40660, 41944, 42560, 47936, 48640, 52430, 54784, 56924, 59584, 59920, 62720, 65056, 68096, 68480, 71155, 74480, 81320, 83888, 85120, 95872, 99617, 104860, 113848, 119168, 119840, 125440, 130112, 136960, 142310, 148960, 162640, 167776, 170240, 191744, 199234, 209720, 227696, 238336, 239680, 260224, 273920, 284620, 297920, 325280, 335552, 340480, 383488, 398468, 419440, 455392, 476672, 479360, 498085, 520448, 569240, 595840, 650560, 671104, 796936, 838880, 910784, 958720, 996170, 1040896, 1138480, 1191680, 1301120, 1342208, 1593872, 1677760, 1821568, 1917440, 1992340, 2276960, 2383360, 2602240, 2684416, 3187744, 3355520, 3643136, 3984680, 4553920, 5204480, 6375488, 6711040, 7286272, 7969360, 9107840, 12750976, 13422080, 15938720, 18215680, 25501952, 31877440, 36431360, 51003904, 63754880, 127509760, 255019520]

約数ペア:

[(1, 255019520), (2, 127509760), (4, 63754880), (5, 51003904), (7, 36431360), (8, 31877440), (10, 25501952), (14, 18215680), (16, 15938720), (19, 13422080), (20, 12750976), (28, 9107840), (32, 7969360), (35, 7286272), (38, 6711040), (40, 6375488), (49, 5204480), (56, 4553920), (64, 3984680), (70, 3643136), (76, 3355520), (80, 3187744), (95, 2684416), (98, 2602240), (107, 2383360), (112, 2276960), (128, 1992340), (133, 1917440), (140, 1821568), (152, 1677760), (160, 1593872), (190, 1342208), (196, 1301120), (214, 1191680), (224, 1138480), (245, 1040896), (256, 996170), (266, 958720), (280, 910784), (304, 838880), (320, 796936), (380, 671104), (392, 650560), (428, 595840), (448, 569240), (490, 520448), (512, 498085), (532, 479360), (535, 476672), (560, 455392), (608, 419440), (640, 398468), (665, 383488), (749, 340480), (760, 335552), (784, 325280), (856, 297920), (896, 284620), (931, 273920), (980, 260224), (1064, 239680), (1070, 238336), (1120, 227696), (1216, 209720), (1280, 199234), (1330, 191744), (1498, 170240), (1520, 167776), (1568, 162640), (1712, 148960), (1792, 142310), (1862, 136960), (1960, 130112), (2033, 125440), (2128, 119840), (2140, 119168), (2240, 113848), (2432, 104860), (2560, 99617), (2660, 95872), (2996, 85120), (3040, 83888), (3136, 81320), (3424, 74480), (3584, 71155), (3724, 68480), (3745, 68096), (3920, 65056), (4066, 62720), (4256, 59920), (4280, 59584), (4480, 56924), (4655, 54784), (4864, 52430), (5243, 48640), (5320, 47936), (5992, 42560), (6080, 41944), (6272, 40660), (6848, 37240), (7448, 34240), (7490, 34048), (7840, 32528), (8132, 31360), (8512, 29960), (8560, 29792), (8960, 28462), (9310, 27392), (9728, 26215), (10165, 25088), (10486, 24320), (10640, 23968), (11984, 21280), (12160, 20972), (12544, 20330), (13696, 18620), (14231, 17920), (14896, 17120), (14980, 17024), (15680, 16264)]