161661960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{827}}^1$

素因数の和:1028

約数の個数: 128

約数和(自身を含む): 542505600

約数和(自身を除く): 380843640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 181, 216, 270, 360, 362, 540, 543, 724, 827, 905, 1080, 1086, 1448, 1629, 1654, 1810, 2172, 2481, 2715, 3258, 3308, 3620, 4135, 4344, 4887, 4962, 5430, 6516, 6616, 7240, 7443, 8145, 8270, 9774, 9924, 10860, 12405, 13032, 14886, 16290, 16540, 19548, 19848, 21720, 22329, 24435, 24810, 29772, 32580, 33080, 37215, 39096, 44658, 48870, 49620, 59544, 65160, 74430, 89316, 97740, 99240, 111645, 148860, 149687, 178632, 195480, 223290, 297720, 299374, 446580, 449061, 598748, 748435, 893160, 898122, 1197496, 1347183, 1496870, 1796244, 2245305, 2694366, 2993740, 3592488, 4041549, 4490610, 5388732, 5987480, 6735915, 8083098, 8981220, 10777464, 13471830, 16166196, 17962440, 20207745, 26943660, 32332392, 40415490, 53887320, 80830980, 161661960]

約数ペア:

[(1, 161661960), (2, 80830980), (3, 53887320), (4, 40415490), (5, 32332392), (6, 26943660), (8, 20207745), (9, 17962440), (10, 16166196), (12, 13471830), (15, 10777464), (18, 8981220), (20, 8083098), (24, 6735915), (27, 5987480), (30, 5388732), (36, 4490610), (40, 4041549), (45, 3592488), (54, 2993740), (60, 2694366), (72, 2245305), (90, 1796244), (108, 1496870), (120, 1347183), (135, 1197496), (180, 898122), (181, 893160), (216, 748435), (270, 598748), (360, 449061), (362, 446580), (540, 299374), (543, 297720), (724, 223290), (827, 195480), (905, 178632), (1080, 149687), (1086, 148860), (1448, 111645), (1629, 99240), (1654, 97740), (1810, 89316), (2172, 74430), (2481, 65160), (2715, 59544), (3258, 49620), (3308, 48870), (3620, 44658), (4135, 39096), (4344, 37215), (4887, 33080), (4962, 32580), (5430, 29772), (6516, 24810), (6616, 24435), (7240, 22329), (7443, 21720), (8145, 19848), (8270, 19548), (9774, 16540), (9924, 16290), (10860, 14886), (12405, 13032)]