20405034120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{827}}^1\times {\mathrm{1619}}^1$

素因数の和:2587

約数の個数: 128

約数和(自身を含む): 61809868800

約数和(自身を除く): 41404834680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 381, 508, 635, 762, 827, 1016, 1270, 1524, 1619, 1654, 1905, 2481, 2540, 3048, 3238, 3308, 3810, 4135, 4857, 4962, 5080, 6476, 6616, 7620, 8095, 8270, 9714, 9924, 12405, 12952, 15240, 16190, 16540, 19428, 19848, 24285, 24810, 32380, 33080, 38856, 48570, 49620, 64760, 97140, 99240, 105029, 194280, 205613, 210058, 315087, 411226, 420116, 525145, 616839, 630174, 822452, 840232, 1028065, 1050290, 1233678, 1260348, 1338913, 1575435, 1644904, 2056130, 2100580, 2467356, 2520696, 2677826, 3084195, 3150870, 4016739, 4112260, 4201160, 4934712, 5355652, 6168390, 6301740, 6694565, 8033478, 8224520, 10711304, 12336780, 12603480, 13389130, 16066956, 20083695, 24673560, 26778260, 32133912, 40167390, 53556520, 80334780, 160669560, 170041951, 340083902, 510125853, 680167804, 850209755, 1020251706, 1360335608, 1700419510, 2040503412, 2550629265, 3400839020, 4081006824, 5101258530, 6801678040, 10202517060, 20405034120]

約数ペア:

[(1, 20405034120), (2, 10202517060), (3, 6801678040), (4, 5101258530), (5, 4081006824), (6, 3400839020), (8, 2550629265), (10, 2040503412), (12, 1700419510), (15, 1360335608), (20, 1020251706), (24, 850209755), (30, 680167804), (40, 510125853), (60, 340083902), (120, 170041951), (127, 160669560), (254, 80334780), (381, 53556520), (508, 40167390), (635, 32133912), (762, 26778260), (827, 24673560), (1016, 20083695), (1270, 16066956), (1524, 13389130), (1619, 12603480), (1654, 12336780), (1905, 10711304), (2481, 8224520), (2540, 8033478), (3048, 6694565), (3238, 6301740), (3308, 6168390), (3810, 5355652), (4135, 4934712), (4857, 4201160), (4962, 4112260), (5080, 4016739), (6476, 3150870), (6616, 3084195), (7620, 2677826), (8095, 2520696), (8270, 2467356), (9714, 2100580), (9924, 2056130), (12405, 1644904), (12952, 1575435), (15240, 1338913), (16190, 1260348), (16540, 1233678), (19428, 1050290), (19848, 1028065), (24285, 840232), (24810, 822452), (32380, 630174), (33080, 616839), (38856, 525145), (48570, 420116), (49620, 411226), (64760, 315087), (97140, 210058), (99240, 205613), (105029, 194280)]