About the Number

212166720

212166719 ← → 212166721

2進数表記:1100101001010110100001000000

漢数字表記:二億千二百十六万六千七百二十

素因数分解:

2 6 × 3 2 × 5 1 × 23 1 × 3203 1

素因数の和:3249
約数の個数: 168
約数和(自身を含む): 761731776
約数和(自身を除く): 549565056

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 192, 207, 230, 240, 276, 288, 320, 345, 360, 368, 414, 460, 480, 552, 576, 690, 720, 736, 828, 920, 960, 1035, 1104, 1380, 1440, 1472, 1656, 1840, 2070, 2208, 2760, 2880, 3203, 3312, 3680, 4140, 4416, 5520, 6406, 6624, 7360, 8280, 9609, 11040, 12812, 13248, 16015, 16560, 19218, 22080, 25624, 28827, 32030, 33120, 38436, 48045, 51248, 57654, 64060, 66240, 73669, 76872, 96090, 102496, 115308, 128120, 144135, 147338, 153744, 192180, 204992, 221007, 230616, 256240, 288270, 294676, 307488, 368345, 384360, 442014, 461232, 512480, 576540, 589352, 614976, 663021, 736690, 768720, 884028, 922464, 1024960, 1105035, 1153080, 1178704, 1326042, 1473380, 1537440, 1768056, 1844928, 2210070, 2306160, 2357408, 2652084, 2946760, 3074880, 3315105, 3536112, 4420140, 4612320, 4714816, 5304168, 5893520, 6630210, 7072224, 8840280, 9224640, 10608336, 11787040, 13260420, 14144448, 17680560, 21216672, 23574080, 26520840, 35361120, 42433344, 53041680, 70722240, 106083360, 212166720]

約数ペア:
[(1, 212166720), (2, 106083360), (3, 70722240), (4, 53041680), (5, 42433344), (6, 35361120), (8, 26520840), (9, 23574080), (10, 21216672), (12, 17680560), (15, 14144448), (16, 13260420), (18, 11787040), (20, 10608336), (23, 9224640), (24, 8840280), (30, 7072224), (32, 6630210), (36, 5893520), (40, 5304168), (45, 4714816), (46, 4612320), (48, 4420140), (60, 3536112), (64, 3315105), (69, 3074880), (72, 2946760), (80, 2652084), (90, 2357408), (92, 2306160), (96, 2210070), (115, 1844928), (120, 1768056), (138, 1537440), (144, 1473380), (160, 1326042), (180, 1178704), (184, 1153080), (192, 1105035), (207, 1024960), (230, 922464), (240, 884028), (276, 768720), (288, 736690), (320, 663021), (345, 614976), (360, 589352), (368, 576540), (414, 512480), (460, 461232), (480, 442014), (552, 384360), (576, 368345), (690, 307488), (720, 294676), (736, 288270), (828, 256240), (920, 230616), (960, 221007), (1035, 204992), (1104, 192180), (1380, 153744), (1440, 147338), (1472, 144135), (1656, 128120), (1840, 115308), (2070, 102496), (2208, 96090), (2760, 76872), (2880, 73669), (3203, 66240), (3312, 64060), (3680, 57654), (4140, 51248), (4416, 48045), (5520, 38436), (6406, 33120), (6624, 32030), (7360, 28827), (8280, 25624), (9609, 22080), (11040, 19218), (12812, 16560), (13248, 16015)]

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