51421440

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{1913}}^1$

素因数の和:1944

約数の個数: 144

約数和(自身を含む): 187786368

約数和(自身を除く): 136364928

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, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1913, 1920, 2240, 2688, 3360, 3826, 3840, 4480, 5376, 5739, 6720, 7652, 8960, 9565, 11478, 13391, 13440, 15304, 19130, 22956, 26782, 26880, 28695, 30608, 38260, 40173, 45912, 53564, 57390, 61216, 66955, 76520, 80346, 91824, 107128, 114780, 122432, 133910, 153040, 160692, 183648, 200865, 214256, 229560, 244864, 267820, 306080, 321384, 367296, 401730, 428512, 459120, 489728, 535640, 612160, 642768, 734592, 803460, 857024, 918240, 1071280, 1224320, 1285536, 1469184, 1606920, 1714048, 1836480, 2142560, 2448640, 2571072, 3213840, 3428096, 3672960, 4285120, 5142144, 6427680, 7345920, 8570240, 10284288, 12855360, 17140480, 25710720, 51421440]

約数ペア:

[(1, 51421440), (2, 25710720), (3, 17140480), (4, 12855360), (5, 10284288), (6, 8570240), (7, 7345920), (8, 6427680), (10, 5142144), (12, 4285120), (14, 3672960), (15, 3428096), (16, 3213840), (20, 2571072), (21, 2448640), (24, 2142560), (28, 1836480), (30, 1714048), (32, 1606920), (35, 1469184), (40, 1285536), (42, 1224320), (48, 1071280), (56, 918240), (60, 857024), (64, 803460), (70, 734592), (80, 642768), (84, 612160), (96, 535640), (105, 489728), (112, 459120), (120, 428512), (128, 401730), (140, 367296), (160, 321384), (168, 306080), (192, 267820), (210, 244864), (224, 229560), (240, 214256), (256, 200865), (280, 183648), (320, 160692), (336, 153040), (384, 133910), (420, 122432), (448, 114780), (480, 107128), (560, 91824), (640, 80346), (672, 76520), (768, 66955), (840, 61216), (896, 57390), (960, 53564), (1120, 45912), (1280, 40173), (1344, 38260), (1680, 30608), (1792, 28695), (1913, 26880), (1920, 26782), (2240, 22956), (2688, 19130), (3360, 15304), (3826, 13440), (3840, 13391), (4480, 11478), (5376, 9565), (5739, 8960), (6720, 7652)]