1880027520

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{139883}}^1$

素因数の和:139912

約数の個数: 128

約数和(自身を含む): 6848720640

約数和(自身を除く): 4968693120

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, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 139883, 279766, 419649, 559532, 699415, 839298, 979181, 1119064, 1398830, 1678596, 1958362, 2098245, 2238128, 2797660, 2937543, 3357192, 3916724, 4196490, 4476256, 4895905, 5595320, 5875086, 6714384, 7833448, 8392980, 8952512, 9791810, 11190640, 11750172, 13428768, 14687715, 15666896, 16785960, 17905024, 19583620, 22381280, 23500344, 26857536, 29375430, 31333792, 33571920, 39167240, 44762560, 47000688, 53715072, 58750860, 62667584, 67143840, 78334480, 89525120, 94001376, 117501720, 125335168, 134287680, 156668960, 188002752, 235003440, 268575360, 313337920, 376005504, 470006880, 626675840, 940013760, 1880027520]

約数ペア:

[(1, 1880027520), (2, 940013760), (3, 626675840), (4, 470006880), (5, 376005504), (6, 313337920), (7, 268575360), (8, 235003440), (10, 188002752), (12, 156668960), (14, 134287680), (15, 125335168), (16, 117501720), (20, 94001376), (21, 89525120), (24, 78334480), (28, 67143840), (30, 62667584), (32, 58750860), (35, 53715072), (40, 47000688), (42, 44762560), (48, 39167240), (56, 33571920), (60, 31333792), (64, 29375430), (70, 26857536), (80, 23500344), (84, 22381280), (96, 19583620), (105, 17905024), (112, 16785960), (120, 15666896), (128, 14687715), (140, 13428768), (160, 11750172), (168, 11190640), (192, 9791810), (210, 8952512), (224, 8392980), (240, 7833448), (280, 6714384), (320, 5875086), (336, 5595320), (384, 4895905), (420, 4476256), (448, 4196490), (480, 3916724), (560, 3357192), (640, 2937543), (672, 2797660), (840, 2238128), (896, 2098245), (960, 1958362), (1120, 1678596), (1344, 1398830), (1680, 1119064), (1920, 979181), (2240, 839298), (2688, 699415), (3360, 559532), (4480, 419649), (6720, 279766), (13440, 139883)]