320136840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{643}}^1$

素因数の和:1124

約数の個数: 128

約数和(自身を含む): 1071100800

約数和(自身を除く): 750963960

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, 216, 270, 360, 461, 540, 643, 922, 1080, 1286, 1383, 1844, 1929, 2305, 2572, 2766, 3215, 3688, 3858, 4149, 4610, 5144, 5532, 5787, 6430, 6915, 7716, 8298, 9220, 9645, 11064, 11574, 12447, 12860, 13830, 15432, 16596, 17361, 18440, 19290, 20745, 23148, 24894, 25720, 27660, 28935, 33192, 34722, 38580, 41490, 46296, 49788, 55320, 57870, 62235, 69444, 77160, 82980, 86805, 99576, 115740, 124470, 138888, 165960, 173610, 231480, 248940, 296423, 347220, 497880, 592846, 694440, 889269, 1185692, 1482115, 1778538, 2371384, 2667807, 2964230, 3557076, 4446345, 5335614, 5928460, 7114152, 8003421, 8892690, 10671228, 11856920, 13339035, 16006842, 17785380, 21342456, 26678070, 32013684, 35570760, 40017105, 53356140, 64027368, 80034210, 106712280, 160068420, 320136840]

約数ペア:

[(1, 320136840), (2, 160068420), (3, 106712280), (4, 80034210), (5, 64027368), (6, 53356140), (8, 40017105), (9, 35570760), (10, 32013684), (12, 26678070), (15, 21342456), (18, 17785380), (20, 16006842), (24, 13339035), (27, 11856920), (30, 10671228), (36, 8892690), (40, 8003421), (45, 7114152), (54, 5928460), (60, 5335614), (72, 4446345), (90, 3557076), (108, 2964230), (120, 2667807), (135, 2371384), (180, 1778538), (216, 1482115), (270, 1185692), (360, 889269), (461, 694440), (540, 592846), (643, 497880), (922, 347220), (1080, 296423), (1286, 248940), (1383, 231480), (1844, 173610), (1929, 165960), (2305, 138888), (2572, 124470), (2766, 115740), (3215, 99576), (3688, 86805), (3858, 82980), (4149, 77160), (4610, 69444), (5144, 62235), (5532, 57870), (5787, 55320), (6430, 49788), (6915, 46296), (7716, 41490), (8298, 38580), (9220, 34722), (9645, 33192), (11064, 28935), (11574, 27660), (12447, 25720), (12860, 24894), (13830, 23148), (15432, 20745), (16596, 19290), (17361, 18440)]