About the Number

121321872

121321871 ← → 121321873

2進数表記:111001110110011100110010000

漢数字表記:一億二千百三十二万千八百七十二

素因数分解:

2 4 × 3 2 × 7 1 × 23 1 × 5233 1

素因数の和:5277
約数の個数: 120
約数和(自身を含む): 404985984
約数和(自身を除く): 283664112

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 36, 42, 46, 48, 56, 63, 69, 72, 84, 92, 112, 126, 138, 144, 161, 168, 184, 207, 252, 276, 322, 336, 368, 414, 483, 504, 552, 644, 828, 966, 1008, 1104, 1288, 1449, 1656, 1932, 2576, 2898, 3312, 3864, 5233, 5796, 7728, 10466, 11592, 15699, 20932, 23184, 31398, 36631, 41864, 47097, 62796, 73262, 83728, 94194, 109893, 120359, 125592, 146524, 188388, 219786, 240718, 251184, 293048, 329679, 361077, 376776, 439572, 481436, 586096, 659358, 722154, 753552, 842513, 879144, 962872, 1083231, 1318716, 1444308, 1685026, 1758288, 1925744, 2166462, 2527539, 2637432, 2888616, 3370052, 4332924, 5055078, 5274864, 5777232, 6740104, 7582617, 8665848, 10110156, 13480208, 15165234, 17331696, 20220312, 30330468, 40440624, 60660936, 121321872]

約数ペア:
[(1, 121321872), (2, 60660936), (3, 40440624), (4, 30330468), (6, 20220312), (7, 17331696), (8, 15165234), (9, 13480208), (12, 10110156), (14, 8665848), (16, 7582617), (18, 6740104), (21, 5777232), (23, 5274864), (24, 5055078), (28, 4332924), (36, 3370052), (42, 2888616), (46, 2637432), (48, 2527539), (56, 2166462), (63, 1925744), (69, 1758288), (72, 1685026), (84, 1444308), (92, 1318716), (112, 1083231), (126, 962872), (138, 879144), (144, 842513), (161, 753552), (168, 722154), (184, 659358), (207, 586096), (252, 481436), (276, 439572), (322, 376776), (336, 361077), (368, 329679), (414, 293048), (483, 251184), (504, 240718), (552, 219786), (644, 188388), (828, 146524), (966, 125592), (1008, 120359), (1104, 109893), (1288, 94194), (1449, 83728), (1656, 73262), (1932, 62796), (2576, 47097), (2898, 41864), (3312, 36631), (3864, 31398), (5233, 23184), (5796, 20932), (7728, 15699), (10466, 11592)]

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