About the Number

120489840

120489839 ← → 120489841

2進数表記:111001011101000011101110000

漢数字表記:一億二千四十八万九千八百四十

素因数分解:

2 4 × 3 2 × 5 1 × 71 1 × 2357 1

素因数の和:2447
約数の個数: 120
約数和(自身を含む): 410518368
約数和(自身を除く): 290028528

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1704, 2130, 2357, 2556, 2840, 3195, 3408, 4260, 4714, 5112, 5680, 6390, 7071, 8520, 9428, 10224, 11785, 12780, 14142, 17040, 18856, 21213, 23570, 25560, 28284, 35355, 37712, 42426, 47140, 51120, 56568, 70710, 84852, 94280, 106065, 113136, 141420, 167347, 169704, 188560, 212130, 282840, 334694, 339408, 424260, 502041, 565680, 669388, 836735, 848520, 1004082, 1338776, 1506123, 1673470, 1697040, 2008164, 2510205, 2677552, 3012246, 3346940, 4016328, 5020410, 6024492, 6693880, 7530615, 8032656, 10040820, 12048984, 13387760, 15061230, 20081640, 24097968, 30122460, 40163280, 60244920, 120489840]

約数ペア:
[(1, 120489840), (2, 60244920), (3, 40163280), (4, 30122460), (5, 24097968), (6, 20081640), (8, 15061230), (9, 13387760), (10, 12048984), (12, 10040820), (15, 8032656), (16, 7530615), (18, 6693880), (20, 6024492), (24, 5020410), (30, 4016328), (36, 3346940), (40, 3012246), (45, 2677552), (48, 2510205), (60, 2008164), (71, 1697040), (72, 1673470), (80, 1506123), (90, 1338776), (120, 1004082), (142, 848520), (144, 836735), (180, 669388), (213, 565680), (240, 502041), (284, 424260), (355, 339408), (360, 334694), (426, 282840), (568, 212130), (639, 188560), (710, 169704), (720, 167347), (852, 141420), (1065, 113136), (1136, 106065), (1278, 94280), (1420, 84852), (1704, 70710), (2130, 56568), (2357, 51120), (2556, 47140), (2840, 42426), (3195, 37712), (3408, 35355), (4260, 28284), (4714, 25560), (5112, 23570), (5680, 21213), (6390, 18856), (7071, 17040), (8520, 14142), (9428, 12780), (10224, 11785)]

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