820408800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{11027}}^1$

素因数の和:11081

約数の個数: 144

約数和(自身を含む): 2756823552

約数和(自身を除く): 1936414752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 32, 40, 48, 50, 60, 62, 75, 80, 93, 96, 100, 120, 124, 150, 155, 160, 186, 200, 240, 248, 300, 310, 372, 400, 465, 480, 496, 600, 620, 744, 775, 800, 930, 992, 1200, 1240, 1488, 1550, 1860, 2325, 2400, 2480, 2976, 3100, 3720, 4650, 4960, 6200, 7440, 9300, 11027, 12400, 14880, 18600, 22054, 24800, 33081, 37200, 44108, 55135, 66162, 74400, 88216, 110270, 132324, 165405, 176432, 220540, 264648, 275675, 330810, 341837, 352864, 441080, 529296, 551350, 661620, 683674, 827025, 882160, 1025511, 1058592, 1102700, 1323240, 1367348, 1654050, 1709185, 1764320, 2051022, 2205400, 2646480, 2734696, 3308100, 3418370, 4102044, 4410800, 5127555, 5292960, 5469392, 6616200, 6836740, 8204088, 8545925, 8821600, 10255110, 10938784, 13232400, 13673480, 16408176, 17091850, 20510220, 25637775, 26464800, 27346960, 32816352, 34183700, 41020440, 51275550, 54693920, 68367400, 82040880, 102551100, 136734800, 164081760, 205102200, 273469600, 410204400, 820408800]

約数ペア:

[(1, 820408800), (2, 410204400), (3, 273469600), (4, 205102200), (5, 164081760), (6, 136734800), (8, 102551100), (10, 82040880), (12, 68367400), (15, 54693920), (16, 51275550), (20, 41020440), (24, 34183700), (25, 32816352), (30, 27346960), (31, 26464800), (32, 25637775), (40, 20510220), (48, 17091850), (50, 16408176), (60, 13673480), (62, 13232400), (75, 10938784), (80, 10255110), (93, 8821600), (96, 8545925), (100, 8204088), (120, 6836740), (124, 6616200), (150, 5469392), (155, 5292960), (160, 5127555), (186, 4410800), (200, 4102044), (240, 3418370), (248, 3308100), (300, 2734696), (310, 2646480), (372, 2205400), (400, 2051022), (465, 1764320), (480, 1709185), (496, 1654050), (600, 1367348), (620, 1323240), (744, 1102700), (775, 1058592), (800, 1025511), (930, 882160), (992, 827025), (1200, 683674), (1240, 661620), (1488, 551350), (1550, 529296), (1860, 441080), (2325, 352864), (2400, 341837), (2480, 330810), (2976, 275675), (3100, 264648), (3720, 220540), (4650, 176432), (4960, 165405), (6200, 132324), (7440, 110270), (9300, 88216), (11027, 74400), (12400, 66162), (14880, 55135), (18600, 44108), (22054, 37200), (24800, 33081)]