20289600

素因数分解:

$2^6\times 3^2\times 5^2\times {\mathrm{1409}}^1$

素因数の和:1437

約数の個数: 126

約数和(自身を含む): 72165210

約数和(自身を除く): 51875610

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, 144, 150, 160, 180, 192, 200, 225, 240, 288, 300, 320, 360, 400, 450, 480, 576, 600, 720, 800, 900, 960, 1200, 1409, 1440, 1600, 1800, 2400, 2818, 2880, 3600, 4227, 4800, 5636, 7045, 7200, 8454, 11272, 12681, 14090, 14400, 16908, 21135, 22544, 25362, 28180, 33816, 35225, 42270, 45088, 50724, 56360, 63405, 67632, 70450, 84540, 90176, 101448, 105675, 112720, 126810, 135264, 140900, 169080, 202896, 211350, 225440, 253620, 270528, 281800, 317025, 338160, 405792, 422700, 450880, 507240, 563600, 634050, 676320, 811584, 845400, 1014480, 1127200, 1268100, 1352640, 1690800, 2028960, 2254400, 2536200, 3381600, 4057920, 5072400, 6763200, 10144800, 20289600]

約数ペア:

[(1, 20289600), (2, 10144800), (3, 6763200), (4, 5072400), (5, 4057920), (6, 3381600), (8, 2536200), (9, 2254400), (10, 2028960), (12, 1690800), (15, 1352640), (16, 1268100), (18, 1127200), (20, 1014480), (24, 845400), (25, 811584), (30, 676320), (32, 634050), (36, 563600), (40, 507240), (45, 450880), (48, 422700), (50, 405792), (60, 338160), (64, 317025), (72, 281800), (75, 270528), (80, 253620), (90, 225440), (96, 211350), (100, 202896), (120, 169080), (144, 140900), (150, 135264), (160, 126810), (180, 112720), (192, 105675), (200, 101448), (225, 90176), (240, 84540), (288, 70450), (300, 67632), (320, 63405), (360, 56360), (400, 50724), (450, 45088), (480, 42270), (576, 35225), (600, 33816), (720, 28180), (800, 25362), (900, 22544), (960, 21135), (1200, 16908), (1409, 14400), (1440, 14090), (1600, 12681), (1800, 11272), (2400, 8454), (2818, 7200), (2880, 7045), (3600, 5636), (4227, 4800)]