About the Number
128252520
2進数表記:111101001001111101001101000
漢数字表記:一億二千八百二十五万二千五百二十
素因数分解:
素因数の和:400
約数の個数: 192
約数和(自身を含む): 459950400
約数和(自身を除く): 331697880
約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 139, 165, 180, 198, 220, 233, 264, 278, 330, 360, 396, 417, 440, 466, 495, 556, 660, 695, 699, 792, 834, 932, 990, 1112, 1165, 1251, 1320, 1390, 1398, 1529, 1668, 1864, 1980, 2085, 2097, 2330, 2502, 2563, 2780, 2796, 3058, 3336, 3495, 3960, 4170, 4194, 4587, 4660, 5004, 5126, 5560, 5592, 6116, 6255, 6990, 7645, 7689, 8340, 8388, 9174, 9320, 10008, 10252, 10485, 12232, 12510, 12815, 13761, 13980, 15290, 15378, 16680, 16776, 18348, 20504, 20970, 22935, 23067, 25020, 25630, 27522, 27960, 30580, 30756, 32387, 36696, 38445, 41940, 45870, 46134, 50040, 51260, 55044, 61160, 61512, 64774, 68805, 76890, 83880, 91740, 92268, 97161, 102520, 110088, 115335, 129548, 137610, 153780, 161935, 183480, 184536, 194322, 230670, 259096, 275220, 291483, 307560, 323870, 356257, 388644, 461340, 485805, 550440, 582966, 647740, 712514, 777288, 922680, 971610, 1068771, 1165932, 1295480, 1425028, 1457415, 1781285, 1943220, 2137542, 2331864, 2850056, 2914830, 3206313, 3562570, 3886440, 4275084, 5343855, 5829660, 6412626, 7125140, 8550168, 10687710, 11659320, 12825252, 14250280, 16031565, 21375420, 25650504, 32063130, 42750840, 64126260, 128252520]
約数ペア:
[(1, 128252520), (2, 64126260), (3, 42750840), (4, 32063130), (5, 25650504), (6, 21375420), (8, 16031565), (9, 14250280), (10, 12825252), (11, 11659320), (12, 10687710), (15, 8550168), (18, 7125140), (20, 6412626), (22, 5829660), (24, 5343855), (30, 4275084), (33, 3886440), (36, 3562570), (40, 3206313), (44, 2914830), (45, 2850056), (55, 2331864), (60, 2137542), (66, 1943220), (72, 1781285), (88, 1457415), (90, 1425028), (99, 1295480), (110, 1165932), (120, 1068771), (132, 971610), (139, 922680), (165, 777288), (180, 712514), (198, 647740), (220, 582966), (233, 550440), (264, 485805), (278, 461340), (330, 388644), (360, 356257), (396, 323870), (417, 307560), (440, 291483), (466, 275220), (495, 259096), (556, 230670), (660, 194322), (695, 184536), (699, 183480), (792, 161935), (834, 153780), (932, 137610), (990, 129548), (1112, 115335), (1165, 110088), (1251, 102520), (1320, 97161), (1390, 92268), (1398, 91740), (1529, 83880), (1668, 76890), (1864, 68805), (1980, 64774), (2085, 61512), (2097, 61160), (2330, 55044), (2502, 51260), (2563, 50040), (2780, 46134), (2796, 45870), (3058, 41940), (3336, 38445), (3495, 36696), (3960, 32387), (4170, 30756), (4194, 30580), (4587, 27960), (4660, 27522), (5004, 25630), (5126, 25020), (5560, 23067), (5592, 22935), (6116, 20970), (6255, 20504), (6990, 18348), (7645, 16776), (7689, 16680), (8340, 15378), (8388, 15290), (9174, 13980), (9320, 13761), (10008, 12815), (10252, 12510), (10485, 12232)]このpageの処理時間: 0.0073010921478271484 seconds