128042880

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{1361}}^1$

素因数の和:1397

約数の個数: 192

約数和(自身を含む): 475120080

約数和(自身を除く): 347077200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 784, 840, 896, 960, 980, 1120, 1176, 1344, 1361, 1470, 1568, 1680, 1920, 1960, 2240, 2352, 2688, 2722, 2940, 3136, 3360, 3920, 4083, 4480, 4704, 5444, 5880, 6272, 6720, 6805, 7840, 8166, 9408, 9527, 10888, 11760, 13440, 13610, 15680, 16332, 18816, 19054, 20415, 21776, 23520, 27220, 28581, 31360, 32664, 38108, 40830, 43552, 47040, 47635, 54440, 57162, 65328, 66689, 76216, 81660, 87104, 94080, 95270, 108880, 114324, 130656, 133378, 142905, 152432, 163320, 174208, 190540, 200067, 217760, 228648, 261312, 266756, 285810, 304864, 326640, 333445, 381080, 400134, 435520, 457296, 522624, 533512, 571620, 609728, 653280, 666890, 762160, 800268, 871040, 914592, 1000335, 1067024, 1143240, 1219456, 1306560, 1333780, 1524320, 1600536, 1829184, 2000670, 2134048, 2286480, 2613120, 2667560, 3048640, 3201072, 3658368, 4001340, 4268096, 4572960, 5335120, 6097280, 6402144, 8002680, 8536192, 9145920, 10670240, 12804288, 16005360, 18291840, 21340480, 25608576, 32010720, 42680960, 64021440, 128042880]

約数ペア:

[(1, 128042880), (2, 64021440), (3, 42680960), (4, 32010720), (5, 25608576), (6, 21340480), (7, 18291840), (8, 16005360), (10, 12804288), (12, 10670240), (14, 9145920), (15, 8536192), (16, 8002680), (20, 6402144), (21, 6097280), (24, 5335120), (28, 4572960), (30, 4268096), (32, 4001340), (35, 3658368), (40, 3201072), (42, 3048640), (48, 2667560), (49, 2613120), (56, 2286480), (60, 2134048), (64, 2000670), (70, 1829184), (80, 1600536), (84, 1524320), (96, 1333780), (98, 1306560), (105, 1219456), (112, 1143240), (120, 1067024), (128, 1000335), (140, 914592), (147, 871040), (160, 800268), (168, 762160), (192, 666890), (196, 653280), (210, 609728), (224, 571620), (240, 533512), (245, 522624), (280, 457296), (294, 435520), (320, 400134), (336, 381080), (384, 333445), (392, 326640), (420, 304864), (448, 285810), (480, 266756), (490, 261312), (560, 228648), (588, 217760), (640, 200067), (672, 190540), (735, 174208), (784, 163320), (840, 152432), (896, 142905), (960, 133378), (980, 130656), (1120, 114324), (1176, 108880), (1344, 95270), (1361, 94080), (1470, 87104), (1568, 81660), (1680, 76216), (1920, 66689), (1960, 65328), (2240, 57162), (2352, 54440), (2688, 47635), (2722, 47040), (2940, 43552), (3136, 40830), (3360, 38108), (3920, 32664), (4083, 31360), (4480, 28581), (4704, 27220), (5444, 23520), (5880, 21776), (6272, 20415), (6720, 19054), (6805, 18816), (7840, 16332), (8166, 15680), (9408, 13610), (9527, 13440), (10888, 11760)]