201819520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2371}}^1$

素因数の和:2416

約数の個数: 128

約数和(自身を含む): 580665600

約数和(自身を除く): 378846080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 1064, 1120, 1216, 1330, 1520, 2128, 2240, 2371, 2432, 2660, 3040, 4256, 4480, 4742, 5320, 6080, 8512, 9484, 10640, 11855, 12160, 16597, 17024, 18968, 21280, 23710, 33194, 37936, 42560, 45049, 47420, 66388, 75872, 82985, 85120, 90098, 94840, 132776, 151744, 165970, 180196, 189680, 225245, 265552, 303488, 315343, 331940, 360392, 379360, 450490, 531104, 630686, 663880, 720784, 758720, 900980, 1062208, 1261372, 1327760, 1441568, 1517440, 1576715, 1801960, 2124416, 2522744, 2655520, 2883136, 3153430, 3603920, 5045488, 5311040, 5766272, 6306860, 7207840, 10090976, 10622080, 12613720, 14415680, 20181952, 25227440, 28831360, 40363904, 50454880, 100909760, 201819520]

約数ペア:

[(1, 201819520), (2, 100909760), (4, 50454880), (5, 40363904), (7, 28831360), (8, 25227440), (10, 20181952), (14, 14415680), (16, 12613720), (19, 10622080), (20, 10090976), (28, 7207840), (32, 6306860), (35, 5766272), (38, 5311040), (40, 5045488), (56, 3603920), (64, 3153430), (70, 2883136), (76, 2655520), (80, 2522744), (95, 2124416), (112, 1801960), (128, 1576715), (133, 1517440), (140, 1441568), (152, 1327760), (160, 1261372), (190, 1062208), (224, 900980), (266, 758720), (280, 720784), (304, 663880), (320, 630686), (380, 531104), (448, 450490), (532, 379360), (560, 360392), (608, 331940), (640, 315343), (665, 303488), (760, 265552), (896, 225245), (1064, 189680), (1120, 180196), (1216, 165970), (1330, 151744), (1520, 132776), (2128, 94840), (2240, 90098), (2371, 85120), (2432, 82985), (2660, 75872), (3040, 66388), (4256, 47420), (4480, 45049), (4742, 42560), (5320, 37936), (6080, 33194), (8512, 23710), (9484, 21280), (10640, 18968), (11855, 17024), (12160, 16597)]