81090450

素因数分解:

$2^1\times 3^3\times 5^2\times 7^1\times {\mathrm{8581}}^1$

素因数の和:8609

約数の個数: 96

約数和(自身を含む): 255400320

約数和(自身を除く): 174309870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 90, 105, 126, 135, 150, 175, 189, 210, 225, 270, 315, 350, 378, 450, 525, 630, 675, 945, 1050, 1350, 1575, 1890, 3150, 4725, 8581, 9450, 17162, 25743, 42905, 51486, 60067, 77229, 85810, 120134, 128715, 154458, 180201, 214525, 231687, 257430, 300335, 360402, 386145, 429050, 463374, 540603, 600670, 643575, 772290, 901005, 1081206, 1158435, 1287150, 1501675, 1621809, 1802010, 1930725, 2316870, 2703015, 3003350, 3243618, 3861450, 4505025, 5406030, 5792175, 8109045, 9010050, 11584350, 13515075, 16218090, 27030150, 40545225, 81090450]

約数ペア:

[(1, 81090450), (2, 40545225), (3, 27030150), (5, 16218090), (6, 13515075), (7, 11584350), (9, 9010050), (10, 8109045), (14, 5792175), (15, 5406030), (18, 4505025), (21, 3861450), (25, 3243618), (27, 3003350), (30, 2703015), (35, 2316870), (42, 1930725), (45, 1802010), (50, 1621809), (54, 1501675), (63, 1287150), (70, 1158435), (75, 1081206), (90, 901005), (105, 772290), (126, 643575), (135, 600670), (150, 540603), (175, 463374), (189, 429050), (210, 386145), (225, 360402), (270, 300335), (315, 257430), (350, 231687), (378, 214525), (450, 180201), (525, 154458), (630, 128715), (675, 120134), (945, 85810), (1050, 77229), (1350, 60067), (1575, 51486), (1890, 42905), (3150, 25743), (4725, 17162), (8581, 9450)]