2105040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{179}}^1$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 7633440

約数和(自身を除く): 5528400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 179, 196, 210, 240, 245, 280, 294, 336, 358, 392, 420, 490, 537, 560, 588, 716, 735, 784, 840, 895, 980, 1074, 1176, 1253, 1432, 1470, 1680, 1790, 1960, 2148, 2352, 2506, 2685, 2864, 2940, 3580, 3759, 3920, 4296, 5012, 5370, 5880, 6265, 7160, 7518, 8592, 8771, 10024, 10740, 11760, 12530, 14320, 15036, 17542, 18795, 20048, 21480, 25060, 26313, 30072, 35084, 37590, 42960, 43855, 50120, 52626, 60144, 70168, 75180, 87710, 100240, 105252, 131565, 140336, 150360, 175420, 210504, 263130, 300720, 350840, 421008, 526260, 701680, 1052520, 2105040]

約数ペア:

[(1, 2105040), (2, 1052520), (3, 701680), (4, 526260), (5, 421008), (6, 350840), (7, 300720), (8, 263130), (10, 210504), (12, 175420), (14, 150360), (15, 140336), (16, 131565), (20, 105252), (21, 100240), (24, 87710), (28, 75180), (30, 70168), (35, 60144), (40, 52626), (42, 50120), (48, 43855), (49, 42960), (56, 37590), (60, 35084), (70, 30072), (80, 26313), (84, 25060), (98, 21480), (105, 20048), (112, 18795), (120, 17542), (140, 15036), (147, 14320), (168, 12530), (179, 11760), (196, 10740), (210, 10024), (240, 8771), (245, 8592), (280, 7518), (294, 7160), (336, 6265), (358, 5880), (392, 5370), (420, 5012), (490, 4296), (537, 3920), (560, 3759), (588, 3580), (716, 2940), (735, 2864), (784, 2685), (840, 2506), (895, 2352), (980, 2148), (1074, 1960), (1176, 1790), (1253, 1680), (1432, 1470)]