65636480

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:76

約数の個数: 256

約数和(自身を含む): 205632000

約数和(自身を除く): 139995520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 32, 35, 40, 46, 49, 52, 56, 64, 65, 70, 80, 91, 92, 98, 104, 112, 115, 128, 130, 140, 160, 161, 182, 184, 196, 208, 224, 230, 245, 260, 280, 299, 320, 322, 343, 364, 368, 392, 416, 448, 455, 460, 490, 520, 560, 598, 637, 640, 644, 686, 728, 736, 784, 805, 832, 896, 910, 920, 980, 1040, 1120, 1127, 1196, 1274, 1288, 1372, 1456, 1472, 1495, 1568, 1610, 1664, 1715, 1820, 1840, 1960, 2080, 2093, 2240, 2254, 2392, 2548, 2576, 2744, 2912, 2944, 2990, 3136, 3185, 3220, 3430, 3640, 3680, 3920, 4160, 4186, 4459, 4480, 4508, 4784, 5096, 5152, 5488, 5635, 5824, 5980, 6272, 6370, 6440, 6860, 7280, 7360, 7840, 7889, 8320, 8372, 8918, 9016, 9568, 10192, 10304, 10465, 10976, 11270, 11648, 11960, 12740, 12880, 13720, 14560, 14651, 14720, 15680, 15778, 16744, 17836, 18032, 19136, 20384, 20608, 20930, 21952, 22295, 22540, 23920, 25480, 25760, 27440, 29120, 29302, 31360, 31556, 33488, 35672, 36064, 38272, 39445, 40768, 41860, 43904, 44590, 45080, 47840, 50960, 51520, 54880, 58240, 58604, 63112, 66976, 71344, 72128, 73255, 78890, 81536, 83720, 89180, 90160, 95680, 101920, 102557, 103040, 109760, 117208, 126224, 133952, 142688, 144256, 146510, 157780, 167440, 178360, 180320, 191360, 203840, 205114, 219520, 234416, 252448, 267904, 285376, 293020, 315560, 334880, 356720, 360640, 407680, 410228, 468832, 504896, 512785, 570752, 586040, 631120, 669760, 713440, 721280, 820456, 937664, 1009792, 1025570, 1172080, 1262240, 1339520, 1426880, 1640912, 1875328, 2051140, 2344160, 2524480, 2853760, 3281824, 4102280, 4688320, 5048960, 6563648, 8204560, 9376640, 13127296, 16409120, 32818240, 65636480]

約数ペア:

[(1, 65636480), (2, 32818240), (4, 16409120), (5, 13127296), (7, 9376640), (8, 8204560), (10, 6563648), (13, 5048960), (14, 4688320), (16, 4102280), (20, 3281824), (23, 2853760), (26, 2524480), (28, 2344160), (32, 2051140), (35, 1875328), (40, 1640912), (46, 1426880), (49, 1339520), (52, 1262240), (56, 1172080), (64, 1025570), (65, 1009792), (70, 937664), (80, 820456), (91, 721280), (92, 713440), (98, 669760), (104, 631120), (112, 586040), (115, 570752), (128, 512785), (130, 504896), (140, 468832), (160, 410228), (161, 407680), (182, 360640), (184, 356720), (196, 334880), (208, 315560), (224, 293020), (230, 285376), (245, 267904), (260, 252448), (280, 234416), (299, 219520), (320, 205114), (322, 203840), (343, 191360), (364, 180320), (368, 178360), (392, 167440), (416, 157780), (448, 146510), (455, 144256), (460, 142688), (490, 133952), (520, 126224), (560, 117208), (598, 109760), (637, 103040), (640, 102557), (644, 101920), (686, 95680), (728, 90160), (736, 89180), (784, 83720), (805, 81536), (832, 78890), (896, 73255), (910, 72128), (920, 71344), (980, 66976), (1040, 63112), (1120, 58604), (1127, 58240), (1196, 54880), (1274, 51520), (1288, 50960), (1372, 47840), (1456, 45080), (1472, 44590), (1495, 43904), (1568, 41860), (1610, 40768), (1664, 39445), (1715, 38272), (1820, 36064), (1840, 35672), (1960, 33488), (2080, 31556), (2093, 31360), (2240, 29302), (2254, 29120), (2392, 27440), (2548, 25760), (2576, 25480), (2744, 23920), (2912, 22540), (2944, 22295), (2990, 21952), (3136, 20930), (3185, 20608), (3220, 20384), (3430, 19136), (3640, 18032), (3680, 17836), (3920, 16744), (4160, 15778), (4186, 15680), (4459, 14720), (4480, 14651), (4508, 14560), (4784, 13720), (5096, 12880), (5152, 12740), (5488, 11960), (5635, 11648), (5824, 11270), (5980, 10976), (6272, 10465), (6370, 10304), (6440, 10192), (6860, 9568), (7280, 9016), (7360, 8918), (7840, 8372), (7889, 8320)]