About the Number

126221280

126221279 ← → 126221281

2進数表記:111100001011111101111100000

漢数字表記:一億二千六百二十二万千二百八十

素因数分解:

2 5 × 3 1 × 5 1 × 439 1 × 599 1

素因数の和:1056
約数の個数: 96
約数和(自身を含む): 399168000
約数和(自身を除く): 272946720

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 439, 480, 599, 878, 1198, 1317, 1756, 1797, 2195, 2396, 2634, 2995, 3512, 3594, 4390, 4792, 5268, 5990, 6585, 7024, 7188, 8780, 8985, 9584, 10536, 11980, 13170, 14048, 14376, 17560, 17970, 19168, 21072, 23960, 26340, 28752, 35120, 35940, 42144, 47920, 52680, 57504, 70240, 71880, 95840, 105360, 143760, 210720, 262961, 287520, 525922, 788883, 1051844, 1314805, 1577766, 2103688, 2629610, 3155532, 3944415, 4207376, 5259220, 6311064, 7888830, 8414752, 10518440, 12622128, 15777660, 21036880, 25244256, 31555320, 42073760, 63110640, 126221280]

約数ペア:
[(1, 126221280), (2, 63110640), (3, 42073760), (4, 31555320), (5, 25244256), (6, 21036880), (8, 15777660), (10, 12622128), (12, 10518440), (15, 8414752), (16, 7888830), (20, 6311064), (24, 5259220), (30, 4207376), (32, 3944415), (40, 3155532), (48, 2629610), (60, 2103688), (80, 1577766), (96, 1314805), (120, 1051844), (160, 788883), (240, 525922), (439, 287520), (480, 262961), (599, 210720), (878, 143760), (1198, 105360), (1317, 95840), (1756, 71880), (1797, 70240), (2195, 57504), (2396, 52680), (2634, 47920), (2995, 42144), (3512, 35940), (3594, 35120), (4390, 28752), (4792, 26340), (5268, 23960), (5990, 21072), (6585, 19168), (7024, 17970), (7188, 17560), (8780, 14376), (8985, 14048), (9584, 13170), (10536, 11980)]

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