51242240

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:97

約数の個数: 216

約数和(自身を含む): 153790560

約数和(自身を除く): 102548320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 43, 49, 56, 64, 70, 76, 80, 86, 95, 98, 112, 128, 133, 140, 152, 160, 172, 190, 196, 215, 224, 245, 256, 266, 280, 301, 304, 320, 344, 380, 392, 430, 448, 490, 532, 560, 602, 608, 640, 665, 688, 760, 784, 817, 860, 896, 931, 980, 1064, 1120, 1204, 1216, 1280, 1330, 1376, 1505, 1520, 1568, 1634, 1720, 1792, 1862, 1960, 2107, 2128, 2240, 2408, 2432, 2660, 2752, 3010, 3040, 3136, 3268, 3440, 3724, 3920, 4085, 4214, 4256, 4480, 4655, 4816, 4864, 5320, 5504, 5719, 6020, 6080, 6272, 6536, 6880, 7448, 7840, 8170, 8428, 8512, 8960, 9310, 9632, 10535, 10640, 11008, 11438, 12040, 12160, 12544, 13072, 13760, 14896, 15680, 16340, 16856, 17024, 18620, 19264, 21070, 21280, 22876, 24080, 24320, 26144, 27520, 28595, 29792, 31360, 32680, 33712, 34048, 37240, 38528, 40033, 42140, 42560, 45752, 48160, 52288, 55040, 57190, 59584, 62720, 65360, 67424, 74480, 77056, 80066, 84280, 85120, 91504, 96320, 104576, 114380, 119168, 130720, 134848, 148960, 160132, 168560, 170240, 183008, 192640, 200165, 209152, 228760, 238336, 261440, 269696, 297920, 320264, 337120, 366016, 385280, 400330, 457520, 522880, 539392, 595840, 640528, 674240, 732032, 800660, 915040, 1045760, 1191680, 1281056, 1348480, 1464064, 1601320, 1830080, 2562112, 2696960, 3202640, 3660160, 5124224, 6405280, 7320320, 10248448, 12810560, 25621120, 51242240]

約数ペア:

[(1, 51242240), (2, 25621120), (4, 12810560), (5, 10248448), (7, 7320320), (8, 6405280), (10, 5124224), (14, 3660160), (16, 3202640), (19, 2696960), (20, 2562112), (28, 1830080), (32, 1601320), (35, 1464064), (38, 1348480), (40, 1281056), (43, 1191680), (49, 1045760), (56, 915040), (64, 800660), (70, 732032), (76, 674240), (80, 640528), (86, 595840), (95, 539392), (98, 522880), (112, 457520), (128, 400330), (133, 385280), (140, 366016), (152, 337120), (160, 320264), (172, 297920), (190, 269696), (196, 261440), (215, 238336), (224, 228760), (245, 209152), (256, 200165), (266, 192640), (280, 183008), (301, 170240), (304, 168560), (320, 160132), (344, 148960), (380, 134848), (392, 130720), (430, 119168), (448, 114380), (490, 104576), (532, 96320), (560, 91504), (602, 85120), (608, 84280), (640, 80066), (665, 77056), (688, 74480), (760, 67424), (784, 65360), (817, 62720), (860, 59584), (896, 57190), (931, 55040), (980, 52288), (1064, 48160), (1120, 45752), (1204, 42560), (1216, 42140), (1280, 40033), (1330, 38528), (1376, 37240), (1505, 34048), (1520, 33712), (1568, 32680), (1634, 31360), (1720, 29792), (1792, 28595), (1862, 27520), (1960, 26144), (2107, 24320), (2128, 24080), (2240, 22876), (2408, 21280), (2432, 21070), (2660, 19264), (2752, 18620), (3010, 17024), (3040, 16856), (3136, 16340), (3268, 15680), (3440, 14896), (3724, 13760), (3920, 13072), (4085, 12544), (4214, 12160), (4256, 12040), (4480, 11438), (4655, 11008), (4816, 10640), (4864, 10535), (5320, 9632), (5504, 9310), (5719, 8960), (6020, 8512), (6080, 8428), (6272, 8170), (6536, 7840), (6880, 7448)]