About the Number

12981428640

12981428639 ← → 12981428641

2進数表記:1100000101110000001110000110100000

漢数字表記:百二十九億八千百四十二万八千六百四十

素因数分解:

2 5 × 3 2 × 5 1 × 401 1 × 22481 1

素因数の和:22903
約数の個数: 144
約数和(自身を含む): 44411572296
約数和(自身を除く): 31430143656

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 401, 480, 720, 802, 1203, 1440, 1604, 2005, 2406, 3208, 3609, 4010, 4812, 6015, 6416, 7218, 8020, 9624, 12030, 12832, 14436, 16040, 18045, 19248, 22481, 24060, 28872, 32080, 36090, 38496, 44962, 48120, 57744, 64160, 67443, 72180, 89924, 96240, 112405, 115488, 134886, 144360, 179848, 192480, 202329, 224810, 269772, 288720, 337215, 359696, 404658, 449620, 539544, 577440, 674430, 719392, 809316, 899240, 1011645, 1079088, 1348860, 1618632, 1798480, 2023290, 2158176, 2697720, 3237264, 3596960, 4046580, 5395440, 6474528, 8093160, 9014881, 10790880, 16186320, 18029762, 27044643, 32372640, 36059524, 45074405, 54089286, 72119048, 81133929, 90148810, 108178572, 135223215, 144238096, 162267858, 180297620, 216357144, 270446430, 288476192, 324535716, 360595240, 405669645, 432714288, 540892860, 649071432, 721190480, 811339290, 865428576, 1081785720, 1298142864, 1442380960, 1622678580, 2163571440, 2596285728, 3245357160, 4327142880, 6490714320, 12981428640]

約数ペア:
[(1, 12981428640), (2, 6490714320), (3, 4327142880), (4, 3245357160), (5, 2596285728), (6, 2163571440), (8, 1622678580), (9, 1442380960), (10, 1298142864), (12, 1081785720), (15, 865428576), (16, 811339290), (18, 721190480), (20, 649071432), (24, 540892860), (30, 432714288), (32, 405669645), (36, 360595240), (40, 324535716), (45, 288476192), (48, 270446430), (60, 216357144), (72, 180297620), (80, 162267858), (90, 144238096), (96, 135223215), (120, 108178572), (144, 90148810), (160, 81133929), (180, 72119048), (240, 54089286), (288, 45074405), (360, 36059524), (401, 32372640), (480, 27044643), (720, 18029762), (802, 16186320), (1203, 10790880), (1440, 9014881), (1604, 8093160), (2005, 6474528), (2406, 5395440), (3208, 4046580), (3609, 3596960), (4010, 3237264), (4812, 2697720), (6015, 2158176), (6416, 2023290), (7218, 1798480), (8020, 1618632), (9624, 1348860), (12030, 1079088), (12832, 1011645), (14436, 899240), (16040, 809316), (18045, 719392), (19248, 674430), (22481, 577440), (24060, 539544), (28872, 449620), (32080, 404658), (36090, 359696), (38496, 337215), (44962, 288720), (48120, 269772), (57744, 224810), (64160, 202329), (67443, 192480), (72180, 179848), (89924, 144360), (96240, 134886), (112405, 115488)]

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