254696960

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:324

約数の個数: 160

約数和(自身を含む): 712400832

約数和(自身を除く): 457703872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 128, 140, 160, 224, 233, 244, 256, 280, 305, 320, 427, 448, 466, 488, 512, 560, 610, 640, 854, 896, 932, 976, 1120, 1165, 1220, 1280, 1631, 1708, 1792, 1864, 1952, 2135, 2240, 2330, 2440, 2560, 3262, 3416, 3584, 3728, 3904, 4270, 4480, 4660, 4880, 6524, 6832, 7456, 7808, 8155, 8540, 8960, 9320, 9760, 13048, 13664, 14213, 14912, 15616, 16310, 17080, 17920, 18640, 19520, 26096, 27328, 28426, 29824, 31232, 32620, 34160, 37280, 39040, 52192, 54656, 56852, 59648, 65240, 68320, 71065, 74560, 78080, 99491, 104384, 109312, 113704, 119296, 130480, 136640, 142130, 149120, 156160, 198982, 208768, 218624, 227408, 260960, 273280, 284260, 298240, 397964, 417536, 454816, 497455, 521920, 546560, 568520, 596480, 795928, 835072, 909632, 994910, 1043840, 1093120, 1137040, 1591856, 1819264, 1989820, 2087680, 2274080, 3183712, 3638528, 3979640, 4175360, 4548160, 6367424, 7277056, 7959280, 9096320, 12734848, 15918560, 18192640, 25469696, 31837120, 36385280, 50939392, 63674240, 127348480, 254696960]

約数ペア:

[(1, 254696960), (2, 127348480), (4, 63674240), (5, 50939392), (7, 36385280), (8, 31837120), (10, 25469696), (14, 18192640), (16, 15918560), (20, 12734848), (28, 9096320), (32, 7959280), (35, 7277056), (40, 6367424), (56, 4548160), (61, 4175360), (64, 3979640), (70, 3638528), (80, 3183712), (112, 2274080), (122, 2087680), (128, 1989820), (140, 1819264), (160, 1591856), (224, 1137040), (233, 1093120), (244, 1043840), (256, 994910), (280, 909632), (305, 835072), (320, 795928), (427, 596480), (448, 568520), (466, 546560), (488, 521920), (512, 497455), (560, 454816), (610, 417536), (640, 397964), (854, 298240), (896, 284260), (932, 273280), (976, 260960), (1120, 227408), (1165, 218624), (1220, 208768), (1280, 198982), (1631, 156160), (1708, 149120), (1792, 142130), (1864, 136640), (1952, 130480), (2135, 119296), (2240, 113704), (2330, 109312), (2440, 104384), (2560, 99491), (3262, 78080), (3416, 74560), (3584, 71065), (3728, 68320), (3904, 65240), (4270, 59648), (4480, 56852), (4660, 54656), (4880, 52192), (6524, 39040), (6832, 37280), (7456, 34160), (7808, 32620), (8155, 31232), (8540, 29824), (8960, 28426), (9320, 27328), (9760, 26096), (13048, 19520), (13664, 18640), (14213, 17920), (14912, 17080), (15616, 16310)]