2561001120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{1778473}}^1$

素因数の和:1778494

約数の個数: 72

約数和(自身を含む): 8739421236

約数和(自身を除く): 6178420116

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 1778473, 3556946, 5335419, 7113892, 8892365, 10670838, 14227784, 16006257, 17784730, 21341676, 26677095, 28455568, 32012514, 35569460, 42683352, 53354190, 56911136, 64025028, 71138920, 80031285, 85366704, 106708380, 128050056, 142277840, 160062570, 170733408, 213416760, 256100112, 284555680, 320125140, 426833520, 512200224, 640250280, 853667040, 1280500560, 2561001120]

約数ペア:

[(1, 2561001120), (2, 1280500560), (3, 853667040), (4, 640250280), (5, 512200224), (6, 426833520), (8, 320125140), (9, 284555680), (10, 256100112), (12, 213416760), (15, 170733408), (16, 160062570), (18, 142277840), (20, 128050056), (24, 106708380), (30, 85366704), (32, 80031285), (36, 71138920), (40, 64025028), (45, 56911136), (48, 53354190), (60, 42683352), (72, 35569460), (80, 32012514), (90, 28455568), (96, 26677095), (120, 21341676), (144, 17784730), (160, 16006257), (180, 14227784), (240, 10670838), (288, 8892365), (360, 7113892), (480, 5335419), (720, 3556946), (1440, 1778473)]