217904580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4339}}^1$

素因数の和:4391

約数の個数: 120

約数和(自身を含む): 705788160

約数和(自身を除く): 487883580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 620, 810, 837, 930, 1116, 1395, 1620, 1674, 1860, 2511, 2790, 3348, 4185, 4339, 5022, 5580, 8370, 8678, 10044, 12555, 13017, 16740, 17356, 21695, 25110, 26034, 39051, 43390, 50220, 52068, 65085, 78102, 86780, 117153, 130170, 134509, 156204, 195255, 234306, 260340, 269018, 351459, 390510, 403527, 468612, 538036, 585765, 672545, 702918, 781020, 807054, 1171530, 1210581, 1345090, 1405836, 1614108, 1757295, 2017635, 2343060, 2421162, 2690180, 3514590, 3631743, 4035270, 4842324, 6052905, 7029180, 7263486, 8070540, 10895229, 12105810, 14526972, 18158715, 21790458, 24211620, 36317430, 43580916, 54476145, 72634860, 108952290, 217904580]

約数ペア:

[(1, 217904580), (2, 108952290), (3, 72634860), (4, 54476145), (5, 43580916), (6, 36317430), (9, 24211620), (10, 21790458), (12, 18158715), (15, 14526972), (18, 12105810), (20, 10895229), (27, 8070540), (30, 7263486), (31, 7029180), (36, 6052905), (45, 4842324), (54, 4035270), (60, 3631743), (62, 3514590), (81, 2690180), (90, 2421162), (93, 2343060), (108, 2017635), (124, 1757295), (135, 1614108), (155, 1405836), (162, 1345090), (180, 1210581), (186, 1171530), (270, 807054), (279, 781020), (310, 702918), (324, 672545), (372, 585765), (405, 538036), (465, 468612), (540, 403527), (558, 390510), (620, 351459), (810, 269018), (837, 260340), (930, 234306), (1116, 195255), (1395, 156204), (1620, 134509), (1674, 130170), (1860, 117153), (2511, 86780), (2790, 78102), (3348, 65085), (4185, 52068), (4339, 50220), (5022, 43390), (5580, 39051), (8370, 26034), (8678, 25110), (10044, 21695), (12555, 17356), (13017, 16740)]