499997760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:421

約数の個数: 224

約数和(自身を含む): 1674888192

約数和(自身を除く): 1174890432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 53, 60, 62, 64, 80, 93, 96, 106, 120, 124, 155, 159, 160, 186, 192, 212, 240, 248, 265, 310, 317, 318, 320, 372, 424, 465, 480, 496, 530, 620, 634, 636, 744, 795, 848, 930, 951, 960, 992, 1060, 1240, 1268, 1272, 1488, 1585, 1590, 1643, 1696, 1860, 1902, 1984, 2120, 2480, 2536, 2544, 2976, 3170, 3180, 3286, 3392, 3720, 3804, 4240, 4755, 4929, 4960, 5072, 5088, 5952, 6340, 6360, 6572, 7440, 7608, 8215, 8480, 9510, 9827, 9858, 9920, 10144, 10176, 12680, 12720, 13144, 14880, 15216, 16430, 16801, 16960, 19020, 19654, 19716, 20288, 24645, 25360, 25440, 26288, 29481, 29760, 30432, 32860, 33602, 38040, 39308, 39432, 49135, 49290, 50403, 50720, 50880, 52576, 58962, 60864, 65720, 67204, 76080, 78616, 78864, 84005, 98270, 98580, 100806, 101440, 105152, 117924, 131440, 134408, 147405, 152160, 157232, 157728, 168010, 196540, 197160, 201612, 235848, 252015, 262880, 268816, 294810, 304320, 314464, 315456, 336020, 393080, 394320, 403224, 471696, 504030, 520831, 525760, 537632, 589620, 628928, 672040, 786160, 788640, 806448, 943392, 1008060, 1041662, 1075264, 1179240, 1344080, 1562493, 1572320, 1577280, 1612896, 1886784, 2016120, 2083324, 2358480, 2604155, 2688160, 3124986, 3144640, 3225792, 4032240, 4166648, 4716960, 5208310, 5376320, 6249972, 7812465, 8064480, 8333296, 9433920, 10416620, 12499944, 15624930, 16128960, 16666592, 20833240, 24999888, 31249860, 33333184, 41666480, 49999776, 62499720, 83332960, 99999552, 124999440, 166665920, 249998880, 499997760]

約数ペア:

[(1, 499997760), (2, 249998880), (3, 166665920), (4, 124999440), (5, 99999552), (6, 83332960), (8, 62499720), (10, 49999776), (12, 41666480), (15, 33333184), (16, 31249860), (20, 24999888), (24, 20833240), (30, 16666592), (31, 16128960), (32, 15624930), (40, 12499944), (48, 10416620), (53, 9433920), (60, 8333296), (62, 8064480), (64, 7812465), (80, 6249972), (93, 5376320), (96, 5208310), (106, 4716960), (120, 4166648), (124, 4032240), (155, 3225792), (159, 3144640), (160, 3124986), (186, 2688160), (192, 2604155), (212, 2358480), (240, 2083324), (248, 2016120), (265, 1886784), (310, 1612896), (317, 1577280), (318, 1572320), (320, 1562493), (372, 1344080), (424, 1179240), (465, 1075264), (480, 1041662), (496, 1008060), (530, 943392), (620, 806448), (634, 788640), (636, 786160), (744, 672040), (795, 628928), (848, 589620), (930, 537632), (951, 525760), (960, 520831), (992, 504030), (1060, 471696), (1240, 403224), (1268, 394320), (1272, 393080), (1488, 336020), (1585, 315456), (1590, 314464), (1643, 304320), (1696, 294810), (1860, 268816), (1902, 262880), (1984, 252015), (2120, 235848), (2480, 201612), (2536, 197160), (2544, 196540), (2976, 168010), (3170, 157728), (3180, 157232), (3286, 152160), (3392, 147405), (3720, 134408), (3804, 131440), (4240, 117924), (4755, 105152), (4929, 101440), (4960, 100806), (5072, 98580), (5088, 98270), (5952, 84005), (6340, 78864), (6360, 78616), (6572, 76080), (7440, 67204), (7608, 65720), (8215, 60864), (8480, 58962), (9510, 52576), (9827, 50880), (9858, 50720), (9920, 50403), (10144, 49290), (10176, 49135), (12680, 39432), (12720, 39308), (13144, 38040), (14880, 33602), (15216, 32860), (16430, 30432), (16801, 29760), (16960, 29481), (19020, 26288), (19654, 25440), (19716, 25360), (20288, 24645)]