1981612800

素因数分解:

$2^8\times 3^2\times 5^2\times {\mathrm{34403}}^1$

素因数の和:34435

約数の個数: 162

約数和(自身を含む): 7084918932

約数和(自身を除く): 5103306132

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, 360, 384, 400, 450, 480, 576, 600, 640, 720, 768, 800, 900, 960, 1152, 1200, 1280, 1440, 1600, 1800, 1920, 2304, 2400, 2880, 3200, 3600, 3840, 4800, 5760, 6400, 7200, 9600, 11520, 14400, 19200, 28800, 34403, 57600, 68806, 103209, 137612, 172015, 206418, 275224, 309627, 344030, 412836, 516045, 550448, 619254, 688060, 825672, 860075, 1032090, 1100896, 1238508, 1376120, 1548135, 1651344, 1720150, 2064180, 2201792, 2477016, 2580225, 2752240, 3096270, 3302688, 3440300, 4128360, 4403584, 4954032, 5160450, 5504480, 6192540, 6605376, 6880600, 7740675, 8256720, 8807168, 9908064, 10320900, 11008960, 12385080, 13210752, 13761200, 15481350, 16513440, 19816128, 20641800, 22017920, 24770160, 26421504, 27522400, 30962700, 33026880, 39632256, 41283600, 44035840, 49540320, 55044800, 61925400, 66053760, 79264512, 82567200, 99080640, 110089600, 123850800, 132107520, 165134400, 198161280, 220179200, 247701600, 330268800, 396322560, 495403200, 660537600, 990806400, 1981612800]

約数ペア:

[(1, 1981612800), (2, 990806400), (3, 660537600), (4, 495403200), (5, 396322560), (6, 330268800), (8, 247701600), (9, 220179200), (10, 198161280), (12, 165134400), (15, 132107520), (16, 123850800), (18, 110089600), (20, 99080640), (24, 82567200), (25, 79264512), (30, 66053760), (32, 61925400), (36, 55044800), (40, 49540320), (45, 44035840), (48, 41283600), (50, 39632256), (60, 33026880), (64, 30962700), (72, 27522400), (75, 26421504), (80, 24770160), (90, 22017920), (96, 20641800), (100, 19816128), (120, 16513440), (128, 15481350), (144, 13761200), (150, 13210752), (160, 12385080), (180, 11008960), (192, 10320900), (200, 9908064), (225, 8807168), (240, 8256720), (256, 7740675), (288, 6880600), (300, 6605376), (320, 6192540), (360, 5504480), (384, 5160450), (400, 4954032), (450, 4403584), (480, 4128360), (576, 3440300), (600, 3302688), (640, 3096270), (720, 2752240), (768, 2580225), (800, 2477016), (900, 2201792), (960, 2064180), (1152, 1720150), (1200, 1651344), (1280, 1548135), (1440, 1376120), (1600, 1238508), (1800, 1100896), (1920, 1032090), (2304, 860075), (2400, 825672), (2880, 688060), (3200, 619254), (3600, 550448), (3840, 516045), (4800, 412836), (5760, 344030), (6400, 309627), (7200, 275224), (9600, 206418), (11520, 172015), (14400, 137612), (19200, 103209), (28800, 68806), (34403, 57600)]