About the Number

127241280

127241279 ← → 127241281

2進数表記:111100101011000110001000000

漢数字表記:一億二千七百二十四万千二百八十

素因数分解:

2 6 × 3 4 × 5 1 × 4909 1

素因数の和:4938
約数の個数: 140
約数和(自身を含む): 452711820
約数和(自身を除く): 325470540

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 4909, 5184, 6480, 8640, 9818, 12960, 14727, 19636, 24545, 25920, 29454, 39272, 44181, 49090, 58908, 73635, 78544, 88362, 98180, 117816, 132543, 147270, 157088, 176724, 196360, 220905, 235632, 265086, 294540, 314176, 353448, 392720, 397629, 441810, 471264, 530172, 589080, 662715, 706896, 785440, 795258, 883620, 942528, 1060344, 1178160, 1325430, 1413792, 1570880, 1590516, 1767240, 1988145, 2120688, 2356320, 2650860, 2827584, 3181032, 3534480, 3976290, 4241376, 4712640, 5301720, 6362064, 7068960, 7952580, 8482752, 10603440, 12724128, 14137920, 15905160, 21206880, 25448256, 31810320, 42413760, 63620640, 127241280]

約数ペア:
[(1, 127241280), (2, 63620640), (3, 42413760), (4, 31810320), (5, 25448256), (6, 21206880), (8, 15905160), (9, 14137920), (10, 12724128), (12, 10603440), (15, 8482752), (16, 7952580), (18, 7068960), (20, 6362064), (24, 5301720), (27, 4712640), (30, 4241376), (32, 3976290), (36, 3534480), (40, 3181032), (45, 2827584), (48, 2650860), (54, 2356320), (60, 2120688), (64, 1988145), (72, 1767240), (80, 1590516), (81, 1570880), (90, 1413792), (96, 1325430), (108, 1178160), (120, 1060344), (135, 942528), (144, 883620), (160, 795258), (162, 785440), (180, 706896), (192, 662715), (216, 589080), (240, 530172), (270, 471264), (288, 441810), (320, 397629), (324, 392720), (360, 353448), (405, 314176), (432, 294540), (480, 265086), (540, 235632), (576, 220905), (648, 196360), (720, 176724), (810, 157088), (864, 147270), (960, 132543), (1080, 117816), (1296, 98180), (1440, 88362), (1620, 78544), (1728, 73635), (2160, 58908), (2592, 49090), (2880, 44181), (3240, 39272), (4320, 29454), (4909, 25920), (5184, 24545), (6480, 19636), (8640, 14727), (9818, 12960)]

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