About the Number

213751680

213751679 ← → 213751681

2進数表記:1100101111011001011110000000

漢数字表記:二億千三百七十五万千六百八十

素因数分解:

2 7 × 3 1 × 5 1 × 163 1 × 683 1

素因数の和:868
約数の個数: 128
約数和(自身を含む): 686517120
約数和(自身を除く): 472765440

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 163, 192, 240, 320, 326, 384, 480, 489, 640, 652, 683, 815, 960, 978, 1304, 1366, 1630, 1920, 1956, 2049, 2445, 2608, 2732, 3260, 3415, 3912, 4098, 4890, 5216, 5464, 6520, 6830, 7824, 8196, 9780, 10245, 10432, 10928, 13040, 13660, 15648, 16392, 19560, 20490, 20864, 21856, 26080, 27320, 31296, 32784, 39120, 40980, 43712, 52160, 54640, 62592, 65568, 78240, 81960, 87424, 104320, 109280, 111329, 131136, 156480, 163920, 218560, 222658, 262272, 312960, 327840, 333987, 437120, 445316, 556645, 655680, 667974, 890632, 1113290, 1311360, 1335948, 1669935, 1781264, 2226580, 2671896, 3339870, 3562528, 4453160, 5343792, 6679740, 7125056, 8906320, 10687584, 13359480, 14250112, 17812640, 21375168, 26718960, 35625280, 42750336, 53437920, 71250560, 106875840, 213751680]

約数ペア:
[(1, 213751680), (2, 106875840), (3, 71250560), (4, 53437920), (5, 42750336), (6, 35625280), (8, 26718960), (10, 21375168), (12, 17812640), (15, 14250112), (16, 13359480), (20, 10687584), (24, 8906320), (30, 7125056), (32, 6679740), (40, 5343792), (48, 4453160), (60, 3562528), (64, 3339870), (80, 2671896), (96, 2226580), (120, 1781264), (128, 1669935), (160, 1335948), (163, 1311360), (192, 1113290), (240, 890632), (320, 667974), (326, 655680), (384, 556645), (480, 445316), (489, 437120), (640, 333987), (652, 327840), (683, 312960), (815, 262272), (960, 222658), (978, 218560), (1304, 163920), (1366, 156480), (1630, 131136), (1920, 111329), (1956, 109280), (2049, 104320), (2445, 87424), (2608, 81960), (2732, 78240), (3260, 65568), (3415, 62592), (3912, 54640), (4098, 52160), (4890, 43712), (5216, 40980), (5464, 39120), (6520, 32784), (6830, 31296), (7824, 27320), (8196, 26080), (9780, 21856), (10245, 20864), (10432, 20490), (10928, 19560), (13040, 16392), (13660, 15648)]

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