About the Number

129386880

129386879 ← → 129386881

2進数表記:111101101100100100110000000

漢数字表記:一億二千九百三十八万六千八百八十

素因数分解:

2 7 × 3 2 × 5 1 × 7 1 × 3209 1

素因数の和:3241
約数の個数: 192
約数和(自身を含む): 510775200
約数和(自身を除く): 381388320

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3209, 3360, 4032, 4480, 5040, 5760, 6418, 6720, 8064, 9627, 10080, 12836, 13440, 16045, 19254, 20160, 22463, 25672, 28881, 32090, 38508, 40320, 44926, 48135, 51344, 57762, 64180, 67389, 77016, 89852, 96270, 102688, 112315, 115524, 128360, 134778, 144405, 154032, 179704, 192540, 202167, 205376, 224630, 231048, 256720, 269556, 288810, 308064, 336945, 359408, 385080, 404334, 410752, 449260, 462096, 513440, 539112, 577620, 616128, 673890, 718816, 770160, 808668, 898520, 924192, 1010835, 1026880, 1078224, 1155240, 1232256, 1347780, 1437632, 1540320, 1617336, 1797040, 1848384, 2021670, 2053760, 2156448, 2310480, 2695560, 2875264, 3080640, 3234672, 3594080, 3696768, 4043340, 4312896, 4620960, 5391120, 6161280, 6469344, 7188160, 8086680, 8625792, 9241920, 10782240, 12938688, 14376320, 16173360, 18483840, 21564480, 25877376, 32346720, 43128960, 64693440, 129386880]

約数ペア:
[(1, 129386880), (2, 64693440), (3, 43128960), (4, 32346720), (5, 25877376), (6, 21564480), (7, 18483840), (8, 16173360), (9, 14376320), (10, 12938688), (12, 10782240), (14, 9241920), (15, 8625792), (16, 8086680), (18, 7188160), (20, 6469344), (21, 6161280), (24, 5391120), (28, 4620960), (30, 4312896), (32, 4043340), (35, 3696768), (36, 3594080), (40, 3234672), (42, 3080640), (45, 2875264), (48, 2695560), (56, 2310480), (60, 2156448), (63, 2053760), (64, 2021670), (70, 1848384), (72, 1797040), (80, 1617336), (84, 1540320), (90, 1437632), (96, 1347780), (105, 1232256), (112, 1155240), (120, 1078224), (126, 1026880), (128, 1010835), (140, 924192), (144, 898520), (160, 808668), (168, 770160), (180, 718816), (192, 673890), (210, 616128), (224, 577620), (240, 539112), (252, 513440), (280, 462096), (288, 449260), (315, 410752), (320, 404334), (336, 385080), (360, 359408), (384, 336945), (420, 308064), (448, 288810), (480, 269556), (504, 256720), (560, 231048), (576, 224630), (630, 205376), (640, 202167), (672, 192540), (720, 179704), (840, 154032), (896, 144405), (960, 134778), (1008, 128360), (1120, 115524), (1152, 112315), (1260, 102688), (1344, 96270), (1440, 89852), (1680, 77016), (1920, 67389), (2016, 64180), (2240, 57762), (2520, 51344), (2688, 48135), (2880, 44926), (3209, 40320), (3360, 38508), (4032, 32090), (4480, 28881), (5040, 25672), (5760, 22463), (6418, 20160), (6720, 19254), (8064, 16045), (9627, 13440), (10080, 12836)]

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