19772172720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{251939}}^1$

素因数の和:252067

約数の個数: 120

約数和(自身を含む): 67011001200

約数和(自身を除く): 47238828480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 109, 120, 144, 180, 218, 240, 327, 360, 436, 545, 654, 720, 872, 981, 1090, 1308, 1635, 1744, 1962, 2180, 2616, 3270, 3924, 4360, 4905, 5232, 6540, 7848, 8720, 9810, 13080, 15696, 19620, 26160, 39240, 78480, 251939, 503878, 755817, 1007756, 1259695, 1511634, 2015512, 2267451, 2519390, 3023268, 3779085, 4031024, 4534902, 5038780, 6046536, 7558170, 9069804, 10077560, 11337255, 12093072, 15116340, 18139608, 20155120, 22674510, 27461351, 30232680, 36279216, 45349020, 54922702, 60465360, 82384053, 90698040, 109845404, 137306755, 164768106, 181396080, 219690808, 247152159, 274613510, 329536212, 411920265, 439381616, 494304318, 549227020, 659072424, 823840530, 988608636, 1098454040, 1235760795, 1318144848, 1647681060, 1977217272, 2196908080, 2471521590, 3295362120, 3954434544, 4943043180, 6590724240, 9886086360, 19772172720]

約数ペア:

[(1, 19772172720), (2, 9886086360), (3, 6590724240), (4, 4943043180), (5, 3954434544), (6, 3295362120), (8, 2471521590), (9, 2196908080), (10, 1977217272), (12, 1647681060), (15, 1318144848), (16, 1235760795), (18, 1098454040), (20, 988608636), (24, 823840530), (30, 659072424), (36, 549227020), (40, 494304318), (45, 439381616), (48, 411920265), (60, 329536212), (72, 274613510), (80, 247152159), (90, 219690808), (109, 181396080), (120, 164768106), (144, 137306755), (180, 109845404), (218, 90698040), (240, 82384053), (327, 60465360), (360, 54922702), (436, 45349020), (545, 36279216), (654, 30232680), (720, 27461351), (872, 22674510), (981, 20155120), (1090, 18139608), (1308, 15116340), (1635, 12093072), (1744, 11337255), (1962, 10077560), (2180, 9069804), (2616, 7558170), (3270, 6046536), (3924, 5038780), (4360, 4534902), (4905, 4031024), (5232, 3779085), (6540, 3023268), (7848, 2519390), (8720, 2267451), (9810, 2015512), (13080, 1511634), (15696, 1259695), (19620, 1007756), (26160, 755817), (39240, 503878), (78480, 251939)]