668881920

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^1\times {\mathrm{6221}}^1$

素因数の和:6256

約数の個数: 176

約数和(自身を含む): 2445395328

約数和(自身を除く): 1776513408

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, 512, 560, 640, 672, 768, 840, 896, 960, 1024, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2560, 2688, 3072, 3360, 3584, 3840, 4480, 5120, 5376, 6221, 6720, 7168, 7680, 8960, 10752, 12442, 13440, 15360, 17920, 18663, 21504, 24884, 26880, 31105, 35840, 37326, 43547, 49768, 53760, 62210, 74652, 87094, 93315, 99536, 107520, 124420, 130641, 149304, 174188, 186630, 199072, 217735, 248840, 261282, 298608, 348376, 373260, 398144, 435470, 497680, 522564, 597216, 653205, 696752, 746520, 796288, 870940, 995360, 1045128, 1194432, 1306410, 1393504, 1493040, 1592576, 1741880, 1990720, 2090256, 2388864, 2612820, 2787008, 2986080, 3185152, 3483760, 3981440, 4180512, 4777728, 5225640, 5574016, 5972160, 6370304, 6967520, 7962880, 8361024, 9555456, 10451280, 11148032, 11944320, 13935040, 15925760, 16722048, 19110912, 20902560, 22296064, 23888640, 27870080, 31851520, 33444096, 41805120, 44592128, 47777280, 55740160, 66888192, 83610240, 95554560, 111480320, 133776384, 167220480, 222960640, 334440960, 668881920]

約数ペア:

[(1, 668881920), (2, 334440960), (3, 222960640), (4, 167220480), (5, 133776384), (6, 111480320), (7, 95554560), (8, 83610240), (10, 66888192), (12, 55740160), (14, 47777280), (15, 44592128), (16, 41805120), (20, 33444096), (21, 31851520), (24, 27870080), (28, 23888640), (30, 22296064), (32, 20902560), (35, 19110912), (40, 16722048), (42, 15925760), (48, 13935040), (56, 11944320), (60, 11148032), (64, 10451280), (70, 9555456), (80, 8361024), (84, 7962880), (96, 6967520), (105, 6370304), (112, 5972160), (120, 5574016), (128, 5225640), (140, 4777728), (160, 4180512), (168, 3981440), (192, 3483760), (210, 3185152), (224, 2986080), (240, 2787008), (256, 2612820), (280, 2388864), (320, 2090256), (336, 1990720), (384, 1741880), (420, 1592576), (448, 1493040), (480, 1393504), (512, 1306410), (560, 1194432), (640, 1045128), (672, 995360), (768, 870940), (840, 796288), (896, 746520), (960, 696752), (1024, 653205), (1120, 597216), (1280, 522564), (1344, 497680), (1536, 435470), (1680, 398144), (1792, 373260), (1920, 348376), (2240, 298608), (2560, 261282), (2688, 248840), (3072, 217735), (3360, 199072), (3584, 186630), (3840, 174188), (4480, 149304), (5120, 130641), (5376, 124420), (6221, 107520), (6720, 99536), (7168, 93315), (7680, 87094), (8960, 74652), (10752, 62210), (12442, 53760), (13440, 49768), (15360, 43547), (17920, 37326), (18663, 35840), (21504, 31105), (24884, 26880)]