180889380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{20509}}^1$

素因数の和:20538

約数の個数: 108

約数和(自身を含む): 638312220

約数和(自身を除く): 457422840

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 20509, 41018, 61527, 82036, 102545, 123054, 143563, 184581, 205090, 246108, 287126, 307635, 369162, 410180, 430689, 574252, 615270, 717815, 738324, 861378, 922905, 1004941, 1230540, 1292067, 1435630, 1722756, 1845810, 2009882, 2153445, 2584134, 2871260, 3014823, 3691620, 4019764, 4306890, 5024705, 5168268, 6029646, 6460335, 8613780, 9044469, 10049410, 12059292, 12920670, 15074115, 18088938, 20098820, 25841340, 30148230, 36177876, 45222345, 60296460, 90444690, 180889380]

約数ペア:

[(1, 180889380), (2, 90444690), (3, 60296460), (4, 45222345), (5, 36177876), (6, 30148230), (7, 25841340), (9, 20098820), (10, 18088938), (12, 15074115), (14, 12920670), (15, 12059292), (18, 10049410), (20, 9044469), (21, 8613780), (28, 6460335), (30, 6029646), (35, 5168268), (36, 5024705), (42, 4306890), (45, 4019764), (49, 3691620), (60, 3014823), (63, 2871260), (70, 2584134), (84, 2153445), (90, 2009882), (98, 1845810), (105, 1722756), (126, 1435630), (140, 1292067), (147, 1230540), (180, 1004941), (196, 922905), (210, 861378), (245, 738324), (252, 717815), (294, 615270), (315, 574252), (420, 430689), (441, 410180), (490, 369162), (588, 307635), (630, 287126), (735, 246108), (882, 205090), (980, 184581), (1260, 143563), (1470, 123054), (1764, 102545), (2205, 82036), (2940, 61527), (4410, 41018), (8820, 20509)]