64707840

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:205

約数の個数: 216

約数和(自身を含む): 231016968

約数和(自身を除く): 166309128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 64, 72, 80, 82, 90, 96, 120, 123, 128, 137, 144, 160, 164, 180, 192, 205, 240, 246, 256, 274, 288, 320, 328, 360, 369, 384, 410, 411, 480, 492, 548, 576, 615, 640, 656, 685, 720, 738, 768, 820, 822, 960, 984, 1096, 1152, 1230, 1233, 1280, 1312, 1370, 1440, 1476, 1640, 1644, 1845, 1920, 1968, 2055, 2192, 2304, 2460, 2466, 2624, 2740, 2880, 2952, 3280, 3288, 3690, 3840, 3936, 4110, 4384, 4920, 4932, 5248, 5480, 5617, 5760, 5904, 6165, 6560, 6576, 7380, 7872, 8220, 8768, 9840, 9864, 10496, 10960, 11234, 11520, 11808, 12330, 13120, 13152, 14760, 15744, 16440, 16851, 17536, 19680, 19728, 21920, 22468, 23616, 24660, 26240, 26304, 28085, 29520, 31488, 32880, 33702, 35072, 39360, 39456, 43840, 44936, 47232, 49320, 50553, 52480, 52608, 56170, 59040, 65760, 67404, 78720, 78912, 84255, 87680, 89872, 94464, 98640, 101106, 105216, 112340, 118080, 131520, 134808, 157440, 157824, 168510, 175360, 179744, 197280, 202212, 224680, 236160, 252765, 263040, 269616, 315648, 337020, 359488, 394560, 404424, 449360, 472320, 505530, 526080, 539232, 674040, 718976, 789120, 808848, 898720, 1011060, 1078464, 1348080, 1437952, 1578240, 1617696, 1797440, 2022120, 2156928, 2696160, 3235392, 3594880, 4044240, 4313856, 5392320, 6470784, 7189760, 8088480, 10784640, 12941568, 16176960, 21569280, 32353920, 64707840]

約数ペア:

[(1, 64707840), (2, 32353920), (3, 21569280), (4, 16176960), (5, 12941568), (6, 10784640), (8, 8088480), (9, 7189760), (10, 6470784), (12, 5392320), (15, 4313856), (16, 4044240), (18, 3594880), (20, 3235392), (24, 2696160), (30, 2156928), (32, 2022120), (36, 1797440), (40, 1617696), (41, 1578240), (45, 1437952), (48, 1348080), (60, 1078464), (64, 1011060), (72, 898720), (80, 808848), (82, 789120), (90, 718976), (96, 674040), (120, 539232), (123, 526080), (128, 505530), (137, 472320), (144, 449360), (160, 404424), (164, 394560), (180, 359488), (192, 337020), (205, 315648), (240, 269616), (246, 263040), (256, 252765), (274, 236160), (288, 224680), (320, 202212), (328, 197280), (360, 179744), (369, 175360), (384, 168510), (410, 157824), (411, 157440), (480, 134808), (492, 131520), (548, 118080), (576, 112340), (615, 105216), (640, 101106), (656, 98640), (685, 94464), (720, 89872), (738, 87680), (768, 84255), (820, 78912), (822, 78720), (960, 67404), (984, 65760), (1096, 59040), (1152, 56170), (1230, 52608), (1233, 52480), (1280, 50553), (1312, 49320), (1370, 47232), (1440, 44936), (1476, 43840), (1640, 39456), (1644, 39360), (1845, 35072), (1920, 33702), (1968, 32880), (2055, 31488), (2192, 29520), (2304, 28085), (2460, 26304), (2466, 26240), (2624, 24660), (2740, 23616), (2880, 22468), (2952, 21920), (3280, 19728), (3288, 19680), (3690, 17536), (3840, 16851), (3936, 16440), (4110, 15744), (4384, 14760), (4920, 13152), (4932, 13120), (5248, 12330), (5480, 11808), (5617, 11520), (5760, 11234), (5904, 10960), (6165, 10496), (6560, 9864), (6576, 9840), (7380, 8768), (7872, 8220)]