20102400

素因数分解:

$2^8\times 3^2\times 5^2\times {\mathrm{349}}^1$

素因数の和:381

約数の個数: 162

約数和(自身を含む): 72076550

約数和(自身を除く): 51974150

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, 256, 288, 300, 320, 349, 360, 384, 400, 450, 480, 576, 600, 640, 698, 720, 768, 800, 900, 960, 1047, 1152, 1200, 1280, 1396, 1440, 1600, 1745, 1800, 1920, 2094, 2304, 2400, 2792, 2880, 3141, 3200, 3490, 3600, 3840, 4188, 4800, 5235, 5584, 5760, 6282, 6400, 6980, 7200, 8376, 8725, 9600, 10470, 11168, 11520, 12564, 13960, 14400, 15705, 16752, 17450, 19200, 20940, 22336, 25128, 26175, 27920, 28800, 31410, 33504, 34900, 41880, 44672, 50256, 52350, 55840, 57600, 62820, 67008, 69800, 78525, 83760, 89344, 100512, 104700, 111680, 125640, 134016, 139600, 157050, 167520, 201024, 209400, 223360, 251280, 268032, 279200, 314100, 335040, 402048, 418800, 446720, 502560, 558400, 628200, 670080, 804096, 837600, 1005120, 1116800, 1256400, 1340160, 1675200, 2010240, 2233600, 2512800, 3350400, 4020480, 5025600, 6700800, 10051200, 20102400]

約数ペア:

[(1, 20102400), (2, 10051200), (3, 6700800), (4, 5025600), (5, 4020480), (6, 3350400), (8, 2512800), (9, 2233600), (10, 2010240), (12, 1675200), (15, 1340160), (16, 1256400), (18, 1116800), (20, 1005120), (24, 837600), (25, 804096), (30, 670080), (32, 628200), (36, 558400), (40, 502560), (45, 446720), (48, 418800), (50, 402048), (60, 335040), (64, 314100), (72, 279200), (75, 268032), (80, 251280), (90, 223360), (96, 209400), (100, 201024), (120, 167520), (128, 157050), (144, 139600), (150, 134016), (160, 125640), (180, 111680), (192, 104700), (200, 100512), (225, 89344), (240, 83760), (256, 78525), (288, 69800), (300, 67008), (320, 62820), (349, 57600), (360, 55840), (384, 52350), (400, 50256), (450, 44672), (480, 41880), (576, 34900), (600, 33504), (640, 31410), (698, 28800), (720, 27920), (768, 26175), (800, 25128), (900, 22336), (960, 20940), (1047, 19200), (1152, 17450), (1200, 16752), (1280, 15705), (1396, 14400), (1440, 13960), (1600, 12564), (1745, 11520), (1800, 11168), (1920, 10470), (2094, 9600), (2304, 8725), (2400, 8376), (2792, 7200), (2880, 6980), (3141, 6400), (3200, 6282), (3490, 5760), (3600, 5584), (3840, 5235), (4188, 4800)]