205845240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{659}}^1$

素因数の和:829

約数の個数: 128

約数和(自身を含む): 655776000

約数和(自身を除く): 449930760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 137, 152, 190, 228, 274, 285, 380, 411, 456, 548, 570, 659, 685, 760, 822, 1096, 1140, 1318, 1370, 1644, 1977, 2055, 2280, 2603, 2636, 2740, 3288, 3295, 3954, 4110, 5206, 5272, 5480, 6590, 7809, 7908, 8220, 9885, 10412, 12521, 13015, 13180, 15618, 15816, 16440, 19770, 20824, 25042, 26030, 26360, 31236, 37563, 39045, 39540, 50084, 52060, 62472, 62605, 75126, 78090, 79080, 90283, 100168, 104120, 125210, 150252, 156180, 180566, 187815, 250420, 270849, 300504, 312360, 361132, 375630, 451415, 500840, 541698, 722264, 751260, 902830, 1083396, 1354245, 1502520, 1715377, 1805660, 2166792, 2708490, 3430754, 3611320, 5146131, 5416980, 6861508, 8576885, 10292262, 10833960, 13723016, 17153770, 20584524, 25730655, 34307540, 41169048, 51461310, 68615080, 102922620, 205845240]

約数ペア:

[(1, 205845240), (2, 102922620), (3, 68615080), (4, 51461310), (5, 41169048), (6, 34307540), (8, 25730655), (10, 20584524), (12, 17153770), (15, 13723016), (19, 10833960), (20, 10292262), (24, 8576885), (30, 6861508), (38, 5416980), (40, 5146131), (57, 3611320), (60, 3430754), (76, 2708490), (95, 2166792), (114, 1805660), (120, 1715377), (137, 1502520), (152, 1354245), (190, 1083396), (228, 902830), (274, 751260), (285, 722264), (380, 541698), (411, 500840), (456, 451415), (548, 375630), (570, 361132), (659, 312360), (685, 300504), (760, 270849), (822, 250420), (1096, 187815), (1140, 180566), (1318, 156180), (1370, 150252), (1644, 125210), (1977, 104120), (2055, 100168), (2280, 90283), (2603, 79080), (2636, 78090), (2740, 75126), (3288, 62605), (3295, 62472), (3954, 52060), (4110, 50084), (5206, 39540), (5272, 39045), (5480, 37563), (6590, 31236), (7809, 26360), (7908, 26030), (8220, 25042), (9885, 20824), (10412, 19770), (12521, 16440), (13015, 15816), (13180, 15618)]