249998880

素因数分解:

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

素因数の和:419

約数の個数: 192

約数和(自身を含む): 830850048

約数和(自身を除く): 580851168

約数列:

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

約数ペア:

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