420675840

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2$

素因数の和:146

約数の個数: 324

約数和(自身を含む): 1597588356

約数和(自身を除く): 1176912516

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 53, 60, 64, 65, 72, 78, 80, 90, 96, 104, 106, 117, 120, 128, 130, 144, 156, 159, 160, 180, 192, 195, 208, 212, 234, 240, 256, 260, 265, 288, 312, 318, 320, 360, 384, 390, 416, 424, 468, 477, 480, 520, 530, 576, 585, 624, 636, 640, 689, 720, 768, 780, 795, 832, 848, 936, 954, 960, 1040, 1060, 1152, 1170, 1248, 1272, 1280, 1378, 1440, 1560, 1590, 1664, 1696, 1872, 1908, 1920, 2067, 2080, 2120, 2304, 2340, 2385, 2496, 2544, 2756, 2809, 2880, 3120, 3180, 3328, 3392, 3445, 3744, 3816, 3840, 4134, 4160, 4240, 4680, 4770, 4992, 5088, 5512, 5618, 5760, 6201, 6240, 6360, 6784, 6890, 7488, 7632, 8268, 8320, 8427, 8480, 9360, 9540, 9984, 10176, 10335, 11024, 11236, 11520, 12402, 12480, 12720, 13568, 13780, 14045, 14976, 15264, 16536, 16640, 16854, 16960, 18720, 19080, 20352, 20670, 22048, 22472, 24804, 24960, 25281, 25440, 27560, 28090, 29952, 30528, 31005, 33072, 33708, 33920, 36517, 37440, 38160, 40704, 41340, 42135, 44096, 44944, 49608, 49920, 50562, 50880, 55120, 56180, 61056, 62010, 66144, 67416, 67840, 73034, 74880, 76320, 82680, 84270, 88192, 89888, 99216, 101124, 101760, 109551, 110240, 112360, 122112, 124020, 126405, 132288, 134832, 146068, 149760, 152640, 165360, 168540, 176384, 179776, 182585, 198432, 202248, 203520, 219102, 220480, 224720, 248040, 252810, 264576, 269664, 292136, 305280, 328653, 330720, 337080, 359552, 365170, 396864, 404496, 438204, 440960, 449440, 496080, 505620, 529152, 539328, 547755, 584272, 610560, 657306, 661440, 674160, 719104, 730340, 793728, 808992, 876408, 881920, 898880, 992160, 1011240, 1078656, 1095510, 1168544, 1314612, 1322880, 1348320, 1460680, 1587456, 1617984, 1643265, 1752816, 1797760, 1984320, 2022480, 2157312, 2191020, 2337088, 2629224, 2645760, 2696640, 2921360, 3235968, 3286530, 3505632, 3595520, 3968640, 4044960, 4382040, 4674176, 5258448, 5393280, 5842720, 6471936, 6573060, 7011264, 7937280, 8089920, 8764080, 9348352, 10516896, 10786560, 11685440, 13146120, 14022528, 16179840, 17528160, 21033792, 23370880, 26292240, 28045056, 32359680, 35056320, 42067584, 46741760, 52584480, 70112640, 84135168, 105168960, 140225280, 210337920, 420675840]

約数ペア:

[(1, 420675840), (2, 210337920), (3, 140225280), (4, 105168960), (5, 84135168), (6, 70112640), (8, 52584480), (9, 46741760), (10, 42067584), (12, 35056320), (13, 32359680), (15, 28045056), (16, 26292240), (18, 23370880), (20, 21033792), (24, 17528160), (26, 16179840), (30, 14022528), (32, 13146120), (36, 11685440), (39, 10786560), (40, 10516896), (45, 9348352), (48, 8764080), (52, 8089920), (53, 7937280), (60, 7011264), (64, 6573060), (65, 6471936), (72, 5842720), (78, 5393280), (80, 5258448), (90, 4674176), (96, 4382040), (104, 4044960), (106, 3968640), (117, 3595520), (120, 3505632), (128, 3286530), (130, 3235968), (144, 2921360), (156, 2696640), (159, 2645760), (160, 2629224), (180, 2337088), (192, 2191020), (195, 2157312), (208, 2022480), (212, 1984320), (234, 1797760), (240, 1752816), (256, 1643265), (260, 1617984), (265, 1587456), (288, 1460680), (312, 1348320), (318, 1322880), (320, 1314612), (360, 1168544), (384, 1095510), (390, 1078656), (416, 1011240), (424, 992160), (468, 898880), (477, 881920), (480, 876408), (520, 808992), (530, 793728), (576, 730340), (585, 719104), (624, 674160), (636, 661440), (640, 657306), (689, 610560), (720, 584272), (768, 547755), (780, 539328), (795, 529152), (832, 505620), (848, 496080), (936, 449440), (954, 440960), (960, 438204), (1040, 404496), (1060, 396864), (1152, 365170), (1170, 359552), (1248, 337080), (1272, 330720), (1280, 328653), (1378, 305280), (1440, 292136), (1560, 269664), (1590, 264576), (1664, 252810), (1696, 248040), (1872, 224720), (1908, 220480), (1920, 219102), (2067, 203520), (2080, 202248), (2120, 198432), (2304, 182585), (2340, 179776), (2385, 176384), (2496, 168540), (2544, 165360), (2756, 152640), (2809, 149760), (2880, 146068), (3120, 134832), (3180, 132288), (3328, 126405), (3392, 124020), (3445, 122112), (3744, 112360), (3816, 110240), (3840, 109551), (4134, 101760), (4160, 101124), (4240, 99216), (4680, 89888), (4770, 88192), (4992, 84270), (5088, 82680), (5512, 76320), (5618, 74880), (5760, 73034), (6201, 67840), (6240, 67416), (6360, 66144), (6784, 62010), (6890, 61056), (7488, 56180), (7632, 55120), (8268, 50880), (8320, 50562), (8427, 49920), (8480, 49608), (9360, 44944), (9540, 44096), (9984, 42135), (10176, 41340), (10335, 40704), (11024, 38160), (11236, 37440), (11520, 36517), (12402, 33920), (12480, 33708), (12720, 33072), (13568, 31005), (13780, 30528), (14045, 29952), (14976, 28090), (15264, 27560), (16536, 25440), (16640, 25281), (16854, 24960), (16960, 24804), (18720, 22472), (19080, 22048), (20352, 20670)]