620385920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12589}}^1$

素因数の和:12626

約数の個数: 128

約数和(自身を含む): 1849219200

約数和(自身を除く): 1228833280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1408, 1540, 1760, 2240, 2464, 3080, 3520, 4480, 4928, 6160, 7040, 9856, 12320, 12589, 24640, 25178, 49280, 50356, 62945, 88123, 100712, 125890, 138479, 176246, 201424, 251780, 276958, 352492, 402848, 440615, 503560, 553916, 692395, 704984, 805696, 881230, 969353, 1007120, 1107832, 1384790, 1409968, 1611392, 1762460, 1938706, 2014240, 2215664, 2769580, 2819936, 3524920, 3877412, 4028480, 4431328, 4846765, 5539160, 5639872, 7049840, 7754824, 8056960, 8862656, 9693530, 11078320, 11279744, 14099680, 15509648, 17725312, 19387060, 22156640, 28199360, 31019296, 38774120, 44313280, 56398720, 62038592, 77548240, 88626560, 124077184, 155096480, 310192960, 620385920]

約数ペア:

[(1, 620385920), (2, 310192960), (4, 155096480), (5, 124077184), (7, 88626560), (8, 77548240), (10, 62038592), (11, 56398720), (14, 44313280), (16, 38774120), (20, 31019296), (22, 28199360), (28, 22156640), (32, 19387060), (35, 17725312), (40, 15509648), (44, 14099680), (55, 11279744), (56, 11078320), (64, 9693530), (70, 8862656), (77, 8056960), (80, 7754824), (88, 7049840), (110, 5639872), (112, 5539160), (128, 4846765), (140, 4431328), (154, 4028480), (160, 3877412), (176, 3524920), (220, 2819936), (224, 2769580), (280, 2215664), (308, 2014240), (320, 1938706), (352, 1762460), (385, 1611392), (440, 1409968), (448, 1384790), (560, 1107832), (616, 1007120), (640, 969353), (704, 881230), (770, 805696), (880, 704984), (896, 692395), (1120, 553916), (1232, 503560), (1408, 440615), (1540, 402848), (1760, 352492), (2240, 276958), (2464, 251780), (3080, 201424), (3520, 176246), (4480, 138479), (4928, 125890), (6160, 100712), (7040, 88123), (9856, 62945), (12320, 50356), (12589, 49280), (24640, 25178)]