51455880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{2917}}^1$

素因数の和:2948

約数の個数: 144

約数和(自身を含む): 194601420

約数和(自身を除く): 143145540

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2917, 2940, 3528, 4410, 5834, 5880, 8751, 8820, 11668, 14585, 17502, 17640, 20419, 23336, 26253, 29170, 35004, 40838, 43755, 52506, 58340, 61257, 70008, 81676, 87510, 102095, 105012, 116680, 122514, 131265, 142933, 163352, 175020, 183771, 204190, 210024, 245028, 262530, 285866, 306285, 350040, 367542, 408380, 428799, 490056, 525060, 571732, 612570, 714665, 735084, 816760, 857598, 918855, 1050120, 1143464, 1225140, 1286397, 1429330, 1470168, 1715196, 1837710, 2143995, 2450280, 2572794, 2858660, 3430392, 3675420, 4287990, 5145588, 5717320, 6431985, 7350840, 8575980, 10291176, 12863970, 17151960, 25727940, 51455880]

約数ペア:

[(1, 51455880), (2, 25727940), (3, 17151960), (4, 12863970), (5, 10291176), (6, 8575980), (7, 7350840), (8, 6431985), (9, 5717320), (10, 5145588), (12, 4287990), (14, 3675420), (15, 3430392), (18, 2858660), (20, 2572794), (21, 2450280), (24, 2143995), (28, 1837710), (30, 1715196), (35, 1470168), (36, 1429330), (40, 1286397), (42, 1225140), (45, 1143464), (49, 1050120), (56, 918855), (60, 857598), (63, 816760), (70, 735084), (72, 714665), (84, 612570), (90, 571732), (98, 525060), (105, 490056), (120, 428799), (126, 408380), (140, 367542), (147, 350040), (168, 306285), (180, 285866), (196, 262530), (210, 245028), (245, 210024), (252, 204190), (280, 183771), (294, 175020), (315, 163352), (360, 142933), (392, 131265), (420, 122514), (441, 116680), (490, 105012), (504, 102095), (588, 87510), (630, 81676), (735, 70008), (840, 61257), (882, 58340), (980, 52506), (1176, 43755), (1260, 40838), (1470, 35004), (1764, 29170), (1960, 26253), (2205, 23336), (2520, 20419), (2917, 17640), (2940, 17502), (3528, 14585), (4410, 11668), (5834, 8820), (5880, 8751)]