About the Number
128996640
2進数表記:111101100000101010100100000
漢数字表記:一億二千八百九十九万六千六百四十
素因数分解:
素因数の和:3139
約数の個数: 144
約数和(自身を含む): 455527800
約数和(自身を除く): 326531160
約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 232, 240, 261, 288, 290, 348, 360, 435, 464, 480, 522, 580, 696, 720, 870, 928, 1044, 1160, 1305, 1392, 1440, 1740, 2088, 2320, 2610, 2784, 3089, 3480, 4176, 4640, 5220, 6178, 6960, 8352, 9267, 10440, 12356, 13920, 15445, 18534, 20880, 24712, 27801, 30890, 37068, 41760, 46335, 49424, 55602, 61780, 74136, 89581, 92670, 98848, 111204, 123560, 139005, 148272, 179162, 185340, 222408, 247120, 268743, 278010, 296544, 358324, 370680, 444816, 447905, 494240, 537486, 556020, 716648, 741360, 806229, 889632, 895810, 1074972, 1112040, 1343715, 1433296, 1482720, 1612458, 1791620, 2149944, 2224080, 2687430, 2866592, 3224916, 3583240, 4031145, 4299888, 4448160, 5374860, 6449832, 7166480, 8062290, 8599776, 10749720, 12899664, 14332960, 16124580, 21499440, 25799328, 32249160, 42998880, 64498320, 128996640]
約数ペア:
[(1, 128996640), (2, 64498320), (3, 42998880), (4, 32249160), (5, 25799328), (6, 21499440), (8, 16124580), (9, 14332960), (10, 12899664), (12, 10749720), (15, 8599776), (16, 8062290), (18, 7166480), (20, 6449832), (24, 5374860), (29, 4448160), (30, 4299888), (32, 4031145), (36, 3583240), (40, 3224916), (45, 2866592), (48, 2687430), (58, 2224080), (60, 2149944), (72, 1791620), (80, 1612458), (87, 1482720), (90, 1433296), (96, 1343715), (116, 1112040), (120, 1074972), (144, 895810), (145, 889632), (160, 806229), (174, 741360), (180, 716648), (232, 556020), (240, 537486), (261, 494240), (288, 447905), (290, 444816), (348, 370680), (360, 358324), (435, 296544), (464, 278010), (480, 268743), (522, 247120), (580, 222408), (696, 185340), (720, 179162), (870, 148272), (928, 139005), (1044, 123560), (1160, 111204), (1305, 98848), (1392, 92670), (1440, 89581), (1740, 74136), (2088, 61780), (2320, 55602), (2610, 49424), (2784, 46335), (3089, 41760), (3480, 37068), (4176, 30890), (4640, 27801), (5220, 24712), (6178, 20880), (6960, 18534), (8352, 15445), (9267, 13920), (10440, 12356)]このpageの処理時間: 0.006318092346191406 seconds