128688000

素因数分解:

$2^7\times 3^1\times 5^3\times 7^1\times {\mathrm{383}}^1$

素因数の和:422

約数の個数: 256

約数和(自身を含む): 488816640

約数和(自身を除く): 360128640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 125, 128, 140, 150, 160, 168, 175, 192, 200, 210, 224, 240, 250, 280, 300, 320, 336, 350, 375, 383, 384, 400, 420, 448, 480, 500, 525, 560, 600, 640, 672, 700, 750, 766, 800, 840, 875, 896, 960, 1000, 1050, 1120, 1149, 1200, 1344, 1400, 1500, 1532, 1600, 1680, 1750, 1915, 1920, 2000, 2100, 2240, 2298, 2400, 2625, 2681, 2688, 2800, 3000, 3064, 3200, 3360, 3500, 3830, 4000, 4200, 4480, 4596, 4800, 5250, 5362, 5600, 5745, 6000, 6128, 6720, 7000, 7660, 8000, 8043, 8400, 9192, 9575, 9600, 10500, 10724, 11200, 11490, 12000, 12256, 13405, 13440, 14000, 15320, 16000, 16086, 16800, 18384, 19150, 21000, 21448, 22400, 22980, 24000, 24512, 26810, 28000, 28725, 30640, 32172, 33600, 36768, 38300, 40215, 42000, 42896, 45960, 47875, 48000, 49024, 53620, 56000, 57450, 61280, 64344, 67025, 67200, 73536, 76600, 80430, 84000, 85792, 91920, 95750, 107240, 112000, 114900, 122560, 128688, 134050, 143625, 147072, 153200, 160860, 168000, 171584, 183840, 191500, 201075, 214480, 229800, 245120, 257376, 268100, 287250, 306400, 321720, 335125, 336000, 343168, 367680, 383000, 402150, 428960, 459600, 514752, 536200, 574500, 612800, 643440, 670250, 735360, 766000, 804300, 857920, 919200, 1005375, 1029504, 1072400, 1149000, 1225600, 1286880, 1340500, 1532000, 1608600, 1715840, 1838400, 2010750, 2144800, 2298000, 2573760, 2681000, 3064000, 3217200, 3676800, 4021500, 4289600, 4596000, 5147520, 5362000, 6128000, 6434400, 8043000, 8579200, 9192000, 10724000, 12868800, 16086000, 18384000, 21448000, 25737600, 32172000, 42896000, 64344000, 128688000]

約数ペア:

[(1, 128688000), (2, 64344000), (3, 42896000), (4, 32172000), (5, 25737600), (6, 21448000), (7, 18384000), (8, 16086000), (10, 12868800), (12, 10724000), (14, 9192000), (15, 8579200), (16, 8043000), (20, 6434400), (21, 6128000), (24, 5362000), (25, 5147520), (28, 4596000), (30, 4289600), (32, 4021500), (35, 3676800), (40, 3217200), (42, 3064000), (48, 2681000), (50, 2573760), (56, 2298000), (60, 2144800), (64, 2010750), (70, 1838400), (75, 1715840), (80, 1608600), (84, 1532000), (96, 1340500), (100, 1286880), (105, 1225600), (112, 1149000), (120, 1072400), (125, 1029504), (128, 1005375), (140, 919200), (150, 857920), (160, 804300), (168, 766000), (175, 735360), (192, 670250), (200, 643440), (210, 612800), (224, 574500), (240, 536200), (250, 514752), (280, 459600), (300, 428960), (320, 402150), (336, 383000), (350, 367680), (375, 343168), (383, 336000), (384, 335125), (400, 321720), (420, 306400), (448, 287250), (480, 268100), (500, 257376), (525, 245120), (560, 229800), (600, 214480), (640, 201075), (672, 191500), (700, 183840), (750, 171584), (766, 168000), (800, 160860), (840, 153200), (875, 147072), (896, 143625), (960, 134050), (1000, 128688), (1050, 122560), (1120, 114900), (1149, 112000), (1200, 107240), (1344, 95750), (1400, 91920), (1500, 85792), (1532, 84000), (1600, 80430), (1680, 76600), (1750, 73536), (1915, 67200), (1920, 67025), (2000, 64344), (2100, 61280), (2240, 57450), (2298, 56000), (2400, 53620), (2625, 49024), (2681, 48000), (2688, 47875), (2800, 45960), (3000, 42896), (3064, 42000), (3200, 40215), (3360, 38300), (3500, 36768), (3830, 33600), (4000, 32172), (4200, 30640), (4480, 28725), (4596, 28000), (4800, 26810), (5250, 24512), (5362, 24000), (5600, 22980), (5745, 22400), (6000, 21448), (6128, 21000), (6720, 19150), (7000, 18384), (7660, 16800), (8000, 16086), (8043, 16000), (8400, 15320), (9192, 14000), (9575, 13440), (9600, 13405), (10500, 12256), (10724, 12000), (11200, 11490)]