About the Number

120239280

120239279 ← → 120239281

2進数表記:111001010101011010010110000

漢数字表記:一億二千二十三万九千二百八十

素因数分解:

2 4 × 3 2 × 5 1 × 7 1 × 23857 1

素因数の和:23883
約数の個数: 120
約数和(自身を含む): 461509152
約数和(自身を除く): 341269872

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 23857, 47714, 71571, 95428, 119285, 143142, 166999, 190856, 214713, 238570, 286284, 333998, 357855, 381712, 429426, 477140, 500997, 572568, 667996, 715710, 834995, 858852, 954280, 1001994, 1073565, 1145136, 1335992, 1431420, 1502991, 1669990, 1717704, 1908560, 2003988, 2147130, 2504985, 2671984, 2862840, 3005982, 3339980, 3435408, 4007976, 4294260, 5009970, 5725680, 6011964, 6679960, 7514955, 8015952, 8588520, 10019940, 12023928, 13359920, 15029910, 17177040, 20039880, 24047856, 30059820, 40079760, 60119640, 120239280]

約数ペア:
[(1, 120239280), (2, 60119640), (3, 40079760), (4, 30059820), (5, 24047856), (6, 20039880), (7, 17177040), (8, 15029910), (9, 13359920), (10, 12023928), (12, 10019940), (14, 8588520), (15, 8015952), (16, 7514955), (18, 6679960), (20, 6011964), (21, 5725680), (24, 5009970), (28, 4294260), (30, 4007976), (35, 3435408), (36, 3339980), (40, 3005982), (42, 2862840), (45, 2671984), (48, 2504985), (56, 2147130), (60, 2003988), (63, 1908560), (70, 1717704), (72, 1669990), (80, 1502991), (84, 1431420), (90, 1335992), (105, 1145136), (112, 1073565), (120, 1001994), (126, 954280), (140, 858852), (144, 834995), (168, 715710), (180, 667996), (210, 572568), (240, 500997), (252, 477140), (280, 429426), (315, 381712), (336, 357855), (360, 333998), (420, 286284), (504, 238570), (560, 214713), (630, 190856), (720, 166999), (840, 143142), (1008, 119285), (1260, 95428), (1680, 71571), (2520, 47714), (5040, 23857)]

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