20786400

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{2887}}^1$

素因数の和:2913

約数の個数: 108

約数和(自身を含む): 73323432

約数和(自身を除く): 52537032

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, 72, 75, 80, 90, 96, 100, 120, 144, 150, 160, 180, 200, 225, 240, 288, 300, 360, 400, 450, 480, 600, 720, 800, 900, 1200, 1440, 1800, 2400, 2887, 3600, 5774, 7200, 8661, 11548, 14435, 17322, 23096, 25983, 28870, 34644, 43305, 46192, 51966, 57740, 69288, 72175, 86610, 92384, 103932, 115480, 129915, 138576, 144350, 173220, 207864, 216525, 230960, 259830, 277152, 288700, 346440, 415728, 433050, 461920, 519660, 577400, 649575, 692880, 831456, 866100, 1039320, 1154800, 1299150, 1385760, 1732200, 2078640, 2309600, 2598300, 3464400, 4157280, 5196600, 6928800, 10393200, 20786400]

約数ペア:

[(1, 20786400), (2, 10393200), (3, 6928800), (4, 5196600), (5, 4157280), (6, 3464400), (8, 2598300), (9, 2309600), (10, 2078640), (12, 1732200), (15, 1385760), (16, 1299150), (18, 1154800), (20, 1039320), (24, 866100), (25, 831456), (30, 692880), (32, 649575), (36, 577400), (40, 519660), (45, 461920), (48, 433050), (50, 415728), (60, 346440), (72, 288700), (75, 277152), (80, 259830), (90, 230960), (96, 216525), (100, 207864), (120, 173220), (144, 144350), (150, 138576), (160, 129915), (180, 115480), (200, 103932), (225, 92384), (240, 86610), (288, 72175), (300, 69288), (360, 57740), (400, 51966), (450, 46192), (480, 43305), (600, 34644), (720, 28870), (800, 25983), (900, 23096), (1200, 17322), (1440, 14435), (1800, 11548), (2400, 8661), (2887, 7200), (3600, 5774)]