251939520

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{12497}}^1$

素因数の和:12527

約数の個数: 168

約数和(自身を含む): 990441504

約数和(自身を除く): 738501984

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 12497, 20160, 24994, 37491, 49988, 62485, 74982, 87479, 99976, 112473, 124970, 149964, 174958, 187455, 199952, 224946, 249940, 262437, 299928, 349916, 374910, 399904, 437395, 449892, 499880, 524874, 562365, 599856, 699832, 749820, 787311, 799808, 874790, 899784, 999760, 1049748, 1124730, 1199712, 1312185, 1399664, 1499640, 1574622, 1749580, 1799568, 1999520, 2099496, 2249460, 2399424, 2624370, 2799328, 2999280, 3149244, 3499160, 3599136, 3936555, 3999040, 4198992, 4498920, 5248740, 5598656, 5998560, 6298488, 6998320, 7198272, 7873110, 8397984, 8997840, 10497480, 11997120, 12596976, 13996640, 15746220, 16795968, 17995680, 20994960, 25193952, 27993280, 31492440, 35991360, 41989920, 50387904, 62984880, 83979840, 125969760, 251939520]

約数ペア:

[(1, 251939520), (2, 125969760), (3, 83979840), (4, 62984880), (5, 50387904), (6, 41989920), (7, 35991360), (8, 31492440), (9, 27993280), (10, 25193952), (12, 20994960), (14, 17995680), (15, 16795968), (16, 15746220), (18, 13996640), (20, 12596976), (21, 11997120), (24, 10497480), (28, 8997840), (30, 8397984), (32, 7873110), (35, 7198272), (36, 6998320), (40, 6298488), (42, 5998560), (45, 5598656), (48, 5248740), (56, 4498920), (60, 4198992), (63, 3999040), (64, 3936555), (70, 3599136), (72, 3499160), (80, 3149244), (84, 2999280), (90, 2799328), (96, 2624370), (105, 2399424), (112, 2249460), (120, 2099496), (126, 1999520), (140, 1799568), (144, 1749580), (160, 1574622), (168, 1499640), (180, 1399664), (192, 1312185), (210, 1199712), (224, 1124730), (240, 1049748), (252, 999760), (280, 899784), (288, 874790), (315, 799808), (320, 787311), (336, 749820), (360, 699832), (420, 599856), (448, 562365), (480, 524874), (504, 499880), (560, 449892), (576, 437395), (630, 399904), (672, 374910), (720, 349916), (840, 299928), (960, 262437), (1008, 249940), (1120, 224946), (1260, 199952), (1344, 187455), (1440, 174958), (1680, 149964), (2016, 124970), (2240, 112473), (2520, 99976), (2880, 87479), (3360, 74982), (4032, 62485), (5040, 49988), (6720, 37491), (10080, 24994), (12497, 20160)]