About the Number

1288400256

1288400255 ← → 1288400257

2進数表記:1001100110010110110110110000000

漢数字表記:十二億八千八百四十万二百五十六

素因数分解:

2 7 × 3 4 × 11 2 × 13 1 × 79 1

素因数の和:140
約数の個数: 480
約数和(自身を含む): 4596160800
約数和(自身を除く): 3307760544

約数列:
[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 27, 32, 33, 36, 39, 44, 48, 52, 54, 64, 66, 72, 78, 79, 81, 88, 96, 99, 104, 108, 117, 121, 128, 132, 143, 144, 156, 158, 162, 176, 192, 198, 208, 216, 234, 237, 242, 264, 286, 288, 297, 312, 316, 324, 351, 352, 363, 384, 396, 416, 429, 432, 468, 474, 484, 528, 572, 576, 594, 624, 632, 648, 702, 704, 711, 726, 792, 832, 858, 864, 869, 891, 936, 948, 968, 1027, 1053, 1056, 1089, 1144, 1152, 1188, 1248, 1264, 1287, 1296, 1404, 1408, 1422, 1452, 1573, 1584, 1664, 1716, 1728, 1738, 1782, 1872, 1896, 1936, 2054, 2106, 2112, 2133, 2178, 2288, 2376, 2496, 2528, 2574, 2592, 2607, 2808, 2844, 2904, 3081, 3146, 3168, 3267, 3432, 3456, 3476, 3564, 3744, 3792, 3861, 3872, 4108, 4212, 4224, 4266, 4356, 4576, 4719, 4752, 4992, 5056, 5148, 5184, 5214, 5616, 5688, 5808, 6162, 6292, 6336, 6399, 6534, 6864, 6952, 7128, 7488, 7584, 7722, 7744, 7821, 8216, 8424, 8532, 8712, 9152, 9243, 9438, 9504, 9559, 9801, 10112, 10296, 10368, 10428, 11232, 11297, 11376, 11583, 11616, 12324, 12584, 12672, 12798, 13068, 13728, 13904, 14157, 14256, 14976, 15168, 15444, 15488, 15642, 16432, 16848, 17064, 17424, 18304, 18486, 18876, 19008, 19118, 19602, 20592, 20856, 22464, 22594, 22752, 23166, 23232, 23463, 24648, 25168, 25596, 26136, 27456, 27729, 27808, 28314, 28512, 28677, 30336, 30888, 31284, 32864, 33696, 33891, 34128, 34848, 36972, 37752, 38016, 38236, 39204, 41184, 41712, 42471, 44928, 45188, 45504, 46332, 46464, 46926, 49296, 50336, 51192, 52272, 54912, 55458, 55616, 56628, 57024, 57354, 61776, 62568, 65728, 67392, 67782, 68256, 69696, 70389, 73944, 75504, 76472, 78408, 82368, 83187, 83424, 84942, 86031, 90376, 91008, 92664, 93852, 98592, 100672, 101673, 102384, 104544, 110916, 111232, 113256, 114048, 114708, 123552, 124267, 125136, 127413, 131456, 134784, 135564, 136512, 139392, 140778, 147888, 151008, 152944, 156816, 164736, 166374, 166848, 169884, 172062, 180752, 185328, 187704, 197184, 201344, 203346, 204768, 209088, 221832, 226512, 229416, 247104, 248534, 250272, 254826, 258093, 271128, 273024, 281556, 295776, 302016, 305019, 305888, 313632, 332748, 333696, 339768, 344124, 361504, 370656, 372801, 375408, 394368, 406692, 409536, 418176, 443664, 453024, 458832, 494208, 497068, 500544, 509652, 516186, 542256, 563112, 591552, 604032, 610038, 611776, 627264, 665496, 679536, 688248, 723008, 741312, 745602, 750816, 774279, 813384, 819072, 887328, 906048, 915057, 917664, 994136, 1001088, 1019304, 1032372, 1084512, 1118403, 1126224, 1183104, 1220076, 1223552, 1254528, 1330992, 1359072, 1376496, 1446016, 1482624, 1491204, 1501632, 1548558, 1626768, 1774656, 1812096, 1830114, 1835328, 1988272, 2038608, 2064744, 2169024, 2236806, 2252448, 2440152, 2661984, 2718144, 2752992, 2982408, 3003264, 3097116, 3253536, 3355209, 3549312, 3660228, 3670656, 3976544, 4077216, 4129488, 4338048, 4473612, 4504896, 4880304, 5323968, 5436288, 5505984, 5964816, 6194232, 6507072, 6710418, 7320456, 7953088, 8154432, 8258976, 8947224, 9009792, 9760608, 10065627, 10647936, 11011968, 11929632, 12388464, 13014144, 13420836, 14640912, 15906176, 16308864, 16517952, 17894448, 19521216, 20131254, 23859264, 24776928, 26841672, 29281824, 33035904, 35788896, 39042432, 40262508, 47718528, 49553856, 53683344, 58563648, 71577792, 80525016, 99107712, 107366688, 117127296, 143155584, 161050032, 214733376, 322100064, 429466752, 644200128, 1288400256]

約数ペア:
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