128531200

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:203

約数の個数: 216

約数和(自身を含む): 385253120

約数和(自身を除く): 256721920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 50, 56, 64, 70, 76, 80, 95, 100, 112, 128, 133, 140, 151, 152, 160, 175, 190, 200, 224, 256, 266, 280, 302, 304, 320, 350, 380, 400, 448, 475, 532, 560, 604, 608, 640, 665, 700, 755, 760, 800, 896, 950, 1057, 1064, 1120, 1208, 1216, 1280, 1330, 1400, 1510, 1520, 1600, 1792, 1900, 2114, 2128, 2240, 2416, 2432, 2660, 2800, 2869, 3020, 3040, 3200, 3325, 3775, 3800, 4228, 4256, 4480, 4832, 4864, 5285, 5320, 5600, 5738, 6040, 6080, 6400, 6650, 7550, 7600, 8456, 8512, 8960, 9664, 10570, 10640, 11200, 11476, 12080, 12160, 13300, 14345, 15100, 15200, 16912, 17024, 19328, 20083, 21140, 21280, 22400, 22952, 24160, 24320, 26425, 26600, 28690, 30200, 30400, 33824, 34048, 38656, 40166, 42280, 42560, 44800, 45904, 48320, 52850, 53200, 57380, 60400, 60800, 67648, 71725, 80332, 84560, 85120, 91808, 96640, 100415, 105700, 106400, 114760, 120800, 121600, 135296, 143450, 160664, 169120, 170240, 183616, 193280, 200830, 211400, 212800, 229520, 241600, 270592, 286900, 321328, 338240, 367232, 401660, 422800, 425600, 459040, 483200, 502075, 573800, 642656, 676480, 734464, 803320, 845600, 851200, 918080, 966400, 1004150, 1147600, 1285312, 1352960, 1606640, 1691200, 1836160, 2008300, 2295200, 2570624, 3213280, 3382400, 3672320, 4016600, 4590400, 5141248, 6426560, 6764800, 8033200, 9180800, 12853120, 16066400, 18361600, 25706240, 32132800, 64265600, 128531200]

約数ペア:

[(1, 128531200), (2, 64265600), (4, 32132800), (5, 25706240), (7, 18361600), (8, 16066400), (10, 12853120), (14, 9180800), (16, 8033200), (19, 6764800), (20, 6426560), (25, 5141248), (28, 4590400), (32, 4016600), (35, 3672320), (38, 3382400), (40, 3213280), (50, 2570624), (56, 2295200), (64, 2008300), (70, 1836160), (76, 1691200), (80, 1606640), (95, 1352960), (100, 1285312), (112, 1147600), (128, 1004150), (133, 966400), (140, 918080), (151, 851200), (152, 845600), (160, 803320), (175, 734464), (190, 676480), (200, 642656), (224, 573800), (256, 502075), (266, 483200), (280, 459040), (302, 425600), (304, 422800), (320, 401660), (350, 367232), (380, 338240), (400, 321328), (448, 286900), (475, 270592), (532, 241600), (560, 229520), (604, 212800), (608, 211400), (640, 200830), (665, 193280), (700, 183616), (755, 170240), (760, 169120), (800, 160664), (896, 143450), (950, 135296), (1057, 121600), (1064, 120800), (1120, 114760), (1208, 106400), (1216, 105700), (1280, 100415), (1330, 96640), (1400, 91808), (1510, 85120), (1520, 84560), (1600, 80332), (1792, 71725), (1900, 67648), (2114, 60800), (2128, 60400), (2240, 57380), (2416, 53200), (2432, 52850), (2660, 48320), (2800, 45904), (2869, 44800), (3020, 42560), (3040, 42280), (3200, 40166), (3325, 38656), (3775, 34048), (3800, 33824), (4228, 30400), (4256, 30200), (4480, 28690), (4832, 26600), (4864, 26425), (5285, 24320), (5320, 24160), (5600, 22952), (5738, 22400), (6040, 21280), (6080, 21140), (6400, 20083), (6650, 19328), (7550, 17024), (7600, 16912), (8456, 15200), (8512, 15100), (8960, 14345), (9664, 13300), (10570, 12160), (10640, 12080), (11200, 11476)]