1305478720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:517

約数の個数: 224

約数和(自身を含む): 3867107328

約数和(自身を除く): 2561628608

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 127, 130, 140, 160, 182, 208, 224, 254, 260, 280, 320, 353, 364, 416, 448, 455, 508, 520, 560, 635, 706, 728, 832, 889, 910, 1016, 1040, 1120, 1270, 1412, 1456, 1651, 1765, 1778, 1820, 2032, 2080, 2240, 2471, 2540, 2824, 2912, 3302, 3530, 3556, 3640, 4064, 4160, 4445, 4589, 4942, 5080, 5648, 5824, 6604, 7060, 7112, 7280, 8128, 8255, 8890, 9178, 9884, 10160, 11296, 11557, 12355, 13208, 14120, 14224, 14560, 16510, 17780, 18356, 19768, 20320, 22592, 22945, 23114, 24710, 26416, 28240, 28448, 29120, 32123, 33020, 35560, 36712, 39536, 40640, 44831, 45890, 46228, 49420, 52832, 56480, 56896, 57785, 64246, 66040, 71120, 73424, 79072, 89662, 91780, 92456, 98840, 105664, 112960, 115570, 128492, 132080, 142240, 146848, 158144, 160615, 179324, 183560, 184912, 197680, 224155, 231140, 256984, 264160, 284480, 293696, 313817, 321230, 358648, 367120, 369824, 395360, 448310, 462280, 513968, 528320, 582803, 627634, 642460, 717296, 734240, 739648, 790720, 896620, 924560, 1027936, 1165606, 1255268, 1284920, 1434592, 1468480, 1569085, 1793240, 1849120, 2055872, 2331212, 2510536, 2569840, 2869184, 2914015, 3138170, 3586480, 3698240, 4079621, 4662424, 5021072, 5139680, 5828030, 6276340, 7172960, 8159242, 9324848, 10042144, 10279360, 11656060, 12552680, 14345920, 16318484, 18649696, 20084288, 20398105, 23312120, 25105360, 32636968, 37299392, 40796210, 46624240, 50210720, 65273936, 81592420, 93248480, 100421440, 130547872, 163184840, 186496960, 261095744, 326369680, 652739360, 1305478720]

約数ペア:

[(1, 1305478720), (2, 652739360), (4, 326369680), (5, 261095744), (7, 186496960), (8, 163184840), (10, 130547872), (13, 100421440), (14, 93248480), (16, 81592420), (20, 65273936), (26, 50210720), (28, 46624240), (32, 40796210), (35, 37299392), (40, 32636968), (52, 25105360), (56, 23312120), (64, 20398105), (65, 20084288), (70, 18649696), (80, 16318484), (91, 14345920), (104, 12552680), (112, 11656060), (127, 10279360), (130, 10042144), (140, 9324848), (160, 8159242), (182, 7172960), (208, 6276340), (224, 5828030), (254, 5139680), (260, 5021072), (280, 4662424), (320, 4079621), (353, 3698240), (364, 3586480), (416, 3138170), (448, 2914015), (455, 2869184), (508, 2569840), (520, 2510536), (560, 2331212), (635, 2055872), (706, 1849120), (728, 1793240), (832, 1569085), (889, 1468480), (910, 1434592), (1016, 1284920), (1040, 1255268), (1120, 1165606), (1270, 1027936), (1412, 924560), (1456, 896620), (1651, 790720), (1765, 739648), (1778, 734240), (1820, 717296), (2032, 642460), (2080, 627634), (2240, 582803), (2471, 528320), (2540, 513968), (2824, 462280), (2912, 448310), (3302, 395360), (3530, 369824), (3556, 367120), (3640, 358648), (4064, 321230), (4160, 313817), (4445, 293696), (4589, 284480), (4942, 264160), (5080, 256984), (5648, 231140), (5824, 224155), (6604, 197680), (7060, 184912), (7112, 183560), (7280, 179324), (8128, 160615), (8255, 158144), (8890, 146848), (9178, 142240), (9884, 132080), (10160, 128492), (11296, 115570), (11557, 112960), (12355, 105664), (13208, 98840), (14120, 92456), (14224, 91780), (14560, 89662), (16510, 79072), (17780, 73424), (18356, 71120), (19768, 66040), (20320, 64246), (22592, 57785), (22945, 56896), (23114, 56480), (24710, 52832), (26416, 49420), (28240, 46228), (28448, 45890), (29120, 44831), (32123, 40640), (33020, 39536), (35560, 36712)]