About the Number

64398608640

64398608639 ← → 64398608641

2進数表記:111011111110011101001100100100000000

漢数字表記:六百四十三億九千八百六十万八千六百四十

素因数分解:

2 8 × 3 2 × 5 1 × 397 1 × 14081 1

素因数の和:14505
約数の個数: 216
約数和(自身を含む): 223389581688
約数和(自身を除く): 158990973048

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 397, 480, 576, 640, 720, 768, 794, 960, 1152, 1191, 1280, 1440, 1588, 1920, 1985, 2304, 2382, 2880, 3176, 3573, 3840, 3970, 4764, 5760, 5955, 6352, 7146, 7940, 9528, 11520, 11910, 12704, 14081, 14292, 15880, 17865, 19056, 23820, 25408, 28162, 28584, 31760, 35730, 38112, 42243, 47640, 50816, 56324, 57168, 63520, 70405, 71460, 76224, 84486, 95280, 101632, 112648, 114336, 126729, 127040, 140810, 142920, 152448, 168972, 190560, 211215, 225296, 228672, 253458, 254080, 281620, 285840, 304896, 337944, 381120, 422430, 450592, 457344, 506916, 508160, 563240, 571680, 633645, 675888, 762240, 844860, 901184, 914688, 1013832, 1126480, 1143360, 1267290, 1351776, 1524480, 1689720, 1802368, 2027664, 2252960, 2286720, 2534580, 2703552, 3379440, 3604736, 4055328, 4505920, 4573440, 5069160, 5407104, 5590157, 6758880, 8110656, 9011840, 10138320, 10814208, 11180314, 13517760, 16221312, 16770471, 18023680, 20276640, 22360628, 27035520, 27950785, 32442624, 33540942, 40553280, 44721256, 50311413, 54071040, 55901570, 67081884, 81106560, 83852355, 89442512, 100622826, 111803140, 134163768, 162213120, 167704710, 178885024, 201245652, 223606280, 251557065, 268327536, 335409420, 357770048, 402491304, 447212560, 503114130, 536655072, 670818840, 715540096, 804982608, 894425120, 1006228260, 1073310144, 1341637680, 1431080192, 1609965216, 1788850240, 2012456520, 2146620288, 2683275360, 3219930432, 3577700480, 4024913040, 4293240576, 5366550720, 6439860864, 7155400960, 8049826080, 10733101440, 12879721728, 16099652160, 21466202880, 32199304320, 64398608640]

約数ペア:
[(1, 64398608640), (2, 32199304320), (3, 21466202880), (4, 16099652160), (5, 12879721728), (6, 10733101440), (8, 8049826080), (9, 7155400960), (10, 6439860864), (12, 5366550720), (15, 4293240576), (16, 4024913040), (18, 3577700480), (20, 3219930432), (24, 2683275360), (30, 2146620288), (32, 2012456520), (36, 1788850240), (40, 1609965216), (45, 1431080192), (48, 1341637680), (60, 1073310144), (64, 1006228260), (72, 894425120), (80, 804982608), (90, 715540096), (96, 670818840), (120, 536655072), (128, 503114130), (144, 447212560), (160, 402491304), (180, 357770048), (192, 335409420), (240, 268327536), (256, 251557065), (288, 223606280), (320, 201245652), (360, 178885024), (384, 167704710), (397, 162213120), (480, 134163768), (576, 111803140), (640, 100622826), (720, 89442512), (768, 83852355), (794, 81106560), (960, 67081884), (1152, 55901570), (1191, 54071040), (1280, 50311413), (1440, 44721256), (1588, 40553280), (1920, 33540942), (1985, 32442624), (2304, 27950785), (2382, 27035520), (2880, 22360628), (3176, 20276640), (3573, 18023680), (3840, 16770471), (3970, 16221312), (4764, 13517760), (5760, 11180314), (5955, 10814208), (6352, 10138320), (7146, 9011840), (7940, 8110656), (9528, 6758880), (11520, 5590157), (11910, 5407104), (12704, 5069160), (14081, 4573440), (14292, 4505920), (15880, 4055328), (17865, 3604736), (19056, 3379440), (23820, 2703552), (25408, 2534580), (28162, 2286720), (28584, 2252960), (31760, 2027664), (35730, 1802368), (38112, 1689720), (42243, 1524480), (47640, 1351776), (50816, 1267290), (56324, 1143360), (57168, 1126480), (63520, 1013832), (70405, 914688), (71460, 901184), (76224, 844860), (84486, 762240), (95280, 675888), (101632, 633645), (112648, 571680), (114336, 563240), (126729, 508160), (127040, 506916), (140810, 457344), (142920, 450592), (152448, 422430), (168972, 381120), (190560, 337944), (211215, 304896), (225296, 285840), (228672, 281620), (253458, 254080)]

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