320638080

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{23857}}^1$

素因数の和:23886

約数の個数: 128

約数和(自身を含む): 1168087680

約数和(自身を除く): 847449600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 23857, 47714, 71571, 95428, 119285, 143142, 166999, 190856, 238570, 286284, 333998, 357855, 381712, 477140, 500997, 572568, 667996, 715710, 763424, 834995, 954280, 1001994, 1145136, 1335992, 1431420, 1526848, 1669990, 1908560, 2003988, 2290272, 2504985, 2671984, 2862840, 3053696, 3339980, 3817120, 4007976, 4580544, 5009970, 5343968, 5725680, 6679960, 7634240, 8015952, 9161088, 10019940, 10687936, 11451360, 13359920, 15268480, 16031904, 20039880, 21375872, 22902720, 26719840, 32063808, 40079760, 45805440, 53439680, 64127616, 80159520, 106879360, 160319040, 320638080]

約数ペア:

[(1, 320638080), (2, 160319040), (3, 106879360), (4, 80159520), (5, 64127616), (6, 53439680), (7, 45805440), (8, 40079760), (10, 32063808), (12, 26719840), (14, 22902720), (15, 21375872), (16, 20039880), (20, 16031904), (21, 15268480), (24, 13359920), (28, 11451360), (30, 10687936), (32, 10019940), (35, 9161088), (40, 8015952), (42, 7634240), (48, 6679960), (56, 5725680), (60, 5343968), (64, 5009970), (70, 4580544), (80, 4007976), (84, 3817120), (96, 3339980), (105, 3053696), (112, 2862840), (120, 2671984), (128, 2504985), (140, 2290272), (160, 2003988), (168, 1908560), (192, 1669990), (210, 1526848), (224, 1431420), (240, 1335992), (280, 1145136), (320, 1001994), (336, 954280), (384, 834995), (420, 763424), (448, 715710), (480, 667996), (560, 572568), (640, 500997), (672, 477140), (840, 381712), (896, 357855), (960, 333998), (1120, 286284), (1344, 238570), (1680, 190856), (1920, 166999), (2240, 143142), (2688, 119285), (3360, 95428), (4480, 71571), (6720, 47714), (13440, 23857)]