20419200

素因数分解:

$2^7\times 3^2\times 5^2\times {\mathrm{709}}^1$

素因数の和:739

約数の個数: 144

約数和(自身を含む): 72963150

約数和(自身を除く): 52543950

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 128, 144, 150, 160, 180, 192, 200, 225, 240, 288, 300, 320, 360, 384, 400, 450, 480, 576, 600, 640, 709, 720, 800, 900, 960, 1152, 1200, 1418, 1440, 1600, 1800, 1920, 2127, 2400, 2836, 2880, 3200, 3545, 3600, 4254, 4800, 5672, 5760, 6381, 7090, 7200, 8508, 9600, 10635, 11344, 12762, 14180, 14400, 17016, 17725, 21270, 22688, 25524, 28360, 28800, 31905, 34032, 35450, 42540, 45376, 51048, 53175, 56720, 63810, 68064, 70900, 85080, 90752, 102096, 106350, 113440, 127620, 136128, 141800, 159525, 170160, 204192, 212700, 226880, 255240, 272256, 283600, 319050, 340320, 408384, 425400, 453760, 510480, 567200, 638100, 680640, 816768, 850800, 1020960, 1134400, 1276200, 1361280, 1701600, 2041920, 2268800, 2552400, 3403200, 4083840, 5104800, 6806400, 10209600, 20419200]

約数ペア:

[(1, 20419200), (2, 10209600), (3, 6806400), (4, 5104800), (5, 4083840), (6, 3403200), (8, 2552400), (9, 2268800), (10, 2041920), (12, 1701600), (15, 1361280), (16, 1276200), (18, 1134400), (20, 1020960), (24, 850800), (25, 816768), (30, 680640), (32, 638100), (36, 567200), (40, 510480), (45, 453760), (48, 425400), (50, 408384), (60, 340320), (64, 319050), (72, 283600), (75, 272256), (80, 255240), (90, 226880), (96, 212700), (100, 204192), (120, 170160), (128, 159525), (144, 141800), (150, 136128), (160, 127620), (180, 113440), (192, 106350), (200, 102096), (225, 90752), (240, 85080), (288, 70900), (300, 68064), (320, 63810), (360, 56720), (384, 53175), (400, 51048), (450, 45376), (480, 42540), (576, 35450), (600, 34032), (640, 31905), (709, 28800), (720, 28360), (800, 25524), (900, 22688), (960, 21270), (1152, 17725), (1200, 17016), (1418, 14400), (1440, 14180), (1600, 12762), (1800, 11344), (1920, 10635), (2127, 9600), (2400, 8508), (2836, 7200), (2880, 7090), (3200, 6381), (3545, 5760), (3600, 5672), (4254, 4800)]