About the Number

81439668864

81439668863 ← → 81439668865

2進数表記:1001011110110001011101011101010000000

漢数字表記:八百十四億三千九百六十六万八千八百六十四

素因数分解:

2 7 × 3 3 × 23 1 × 47 1 × 21799 1

素因数の和:21892
約数の個数: 256
約数和(自身を含む): 256158720000
約数和(自身を除く): 174719051136

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 47, 48, 54, 64, 69, 72, 92, 94, 96, 108, 128, 138, 141, 144, 184, 188, 192, 207, 216, 276, 282, 288, 368, 376, 384, 414, 423, 432, 552, 564, 576, 621, 736, 752, 828, 846, 864, 1081, 1104, 1128, 1152, 1242, 1269, 1472, 1504, 1656, 1692, 1728, 2162, 2208, 2256, 2484, 2538, 2944, 3008, 3243, 3312, 3384, 3456, 4324, 4416, 4512, 4968, 5076, 6016, 6486, 6624, 6768, 8648, 8832, 9024, 9729, 9936, 10152, 12972, 13248, 13536, 17296, 18048, 19458, 19872, 20304, 21799, 25944, 26496, 27072, 29187, 34592, 38916, 39744, 40608, 43598, 51888, 54144, 58374, 65397, 69184, 77832, 79488, 81216, 87196, 103776, 116748, 130794, 138368, 155664, 162432, 174392, 196191, 207552, 233496, 261588, 311328, 348784, 392382, 415104, 466992, 501377, 523176, 588573, 622656, 697568, 784764, 933984, 1002754, 1024553, 1046352, 1177146, 1245312, 1395136, 1504131, 1569528, 1867968, 2005508, 2049106, 2092704, 2354292, 2790272, 3008262, 3073659, 3139056, 3735936, 4011016, 4098212, 4185408, 4512393, 4708584, 6016524, 6147318, 6278112, 8022032, 8196424, 8370816, 9024786, 9220977, 9417168, 12033048, 12294636, 12556224, 13537179, 16044064, 16392848, 18049572, 18441954, 18834336, 23564719, 24066096, 24589272, 25112448, 27074358, 27662931, 32088128, 32785696, 36099144, 36883908, 37668672, 47129438, 48132192, 49178544, 54148716, 55325862, 64176256, 65571392, 70694157, 72198288, 73767816, 75337344, 94258876, 96264384, 98357088, 108297432, 110651724, 131142784, 141388314, 144396576, 147535632, 188517752, 192528768, 196714176, 212082471, 216594864, 221303448, 282776628, 288793152, 295071264, 377035504, 393428352, 424164942, 433189728, 442606896, 565553256, 577586304, 590142528, 636247413, 754071008, 848329884, 866379456, 885213792, 1131106512, 1180285056, 1272494826, 1508142016, 1696659768, 1732758912, 1770427584, 2262213024, 2544989652, 3016284032, 3393319536, 3540855168, 4524426048, 5089979304, 6786639072, 9048852096, 10179958608, 13573278144, 20359917216, 27146556288, 40719834432, 81439668864]

約数ペア:
[(1, 81439668864), (2, 40719834432), (3, 27146556288), (4, 20359917216), (6, 13573278144), (8, 10179958608), (9, 9048852096), (12, 6786639072), (16, 5089979304), (18, 4524426048), (23, 3540855168), (24, 3393319536), (27, 3016284032), (32, 2544989652), (36, 2262213024), (46, 1770427584), (47, 1732758912), (48, 1696659768), (54, 1508142016), (64, 1272494826), (69, 1180285056), (72, 1131106512), (92, 885213792), (94, 866379456), (96, 848329884), (108, 754071008), (128, 636247413), (138, 590142528), (141, 577586304), (144, 565553256), (184, 442606896), (188, 433189728), (192, 424164942), (207, 393428352), (216, 377035504), (276, 295071264), (282, 288793152), (288, 282776628), (368, 221303448), (376, 216594864), (384, 212082471), (414, 196714176), (423, 192528768), (432, 188517752), (552, 147535632), (564, 144396576), (576, 141388314), (621, 131142784), (736, 110651724), (752, 108297432), (828, 98357088), (846, 96264384), (864, 94258876), (1081, 75337344), (1104, 73767816), (1128, 72198288), (1152, 70694157), (1242, 65571392), (1269, 64176256), (1472, 55325862), (1504, 54148716), (1656, 49178544), (1692, 48132192), (1728, 47129438), (2162, 37668672), (2208, 36883908), (2256, 36099144), (2484, 32785696), (2538, 32088128), (2944, 27662931), (3008, 27074358), (3243, 25112448), (3312, 24589272), (3384, 24066096), (3456, 23564719), (4324, 18834336), (4416, 18441954), (4512, 18049572), (4968, 16392848), (5076, 16044064), (6016, 13537179), (6486, 12556224), (6624, 12294636), (6768, 12033048), (8648, 9417168), (8832, 9220977), (9024, 9024786), (9729, 8370816), (9936, 8196424), (10152, 8022032), (12972, 6278112), (13248, 6147318), (13536, 6016524), (17296, 4708584), (18048, 4512393), (19458, 4185408), (19872, 4098212), (20304, 4011016), (21799, 3735936), (25944, 3139056), (26496, 3073659), (27072, 3008262), (29187, 2790272), (34592, 2354292), (38916, 2092704), (39744, 2049106), (40608, 2005508), (43598, 1867968), (51888, 1569528), (54144, 1504131), (58374, 1395136), (65397, 1245312), (69184, 1177146), (77832, 1046352), (79488, 1024553), (81216, 1002754), (87196, 933984), (103776, 784764), (116748, 697568), (130794, 622656), (138368, 588573), (155664, 523176), (162432, 501377), (174392, 466992), (196191, 415104), (207552, 392382), (233496, 348784), (261588, 311328)]

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