20161575840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{67421}}^1$

素因数の和:67535

約数の個数: 192

約数和(自身を含む): 73398286080

約数和(自身を除く): 53236710240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 89, 96, 105, 112, 120, 140, 160, 168, 178, 210, 224, 240, 267, 280, 336, 356, 420, 445, 480, 534, 560, 623, 672, 712, 840, 890, 1068, 1120, 1246, 1335, 1424, 1680, 1780, 1869, 2136, 2492, 2670, 2848, 3115, 3360, 3560, 3738, 4272, 4984, 5340, 6230, 7120, 7476, 8544, 9345, 9968, 10680, 12460, 14240, 14952, 18690, 19936, 21360, 24920, 29904, 37380, 42720, 49840, 59808, 67421, 74760, 99680, 134842, 149520, 202263, 269684, 299040, 337105, 404526, 471947, 539368, 674210, 809052, 943894, 1011315, 1078736, 1348420, 1415841, 1618104, 1887788, 2022630, 2157472, 2359735, 2696840, 2831682, 3236208, 3775576, 4045260, 4719470, 5393680, 5663364, 6000469, 6472416, 7079205, 7551152, 8090520, 9438940, 10787360, 11326728, 12000938, 14158410, 15102304, 16181040, 18001407, 18877880, 22653456, 24001876, 28316820, 30002345, 32362080, 36002814, 37755760, 42003283, 45306912, 48003752, 56633640, 60004690, 72005628, 75511520, 84006566, 90007035, 96007504, 113267280, 120009380, 126009849, 144011256, 168013132, 180014070, 192015008, 210016415, 226534560, 240018760, 252019698, 288022512, 336026264, 360028140, 420032830, 480037520, 504039396, 576045024, 630049245, 672052528, 720056280, 840065660, 960075040, 1008078792, 1260098490, 1344105056, 1440112560, 1680131320, 2016157584, 2520196980, 2880225120, 3360262640, 4032315168, 5040393960, 6720525280, 10080787920, 20161575840]

約数ペア:

[(1, 20161575840), (2, 10080787920), (3, 6720525280), (4, 5040393960), (5, 4032315168), (6, 3360262640), (7, 2880225120), (8, 2520196980), (10, 2016157584), (12, 1680131320), (14, 1440112560), (15, 1344105056), (16, 1260098490), (20, 1008078792), (21, 960075040), (24, 840065660), (28, 720056280), (30, 672052528), (32, 630049245), (35, 576045024), (40, 504039396), (42, 480037520), (48, 420032830), (56, 360028140), (60, 336026264), (70, 288022512), (80, 252019698), (84, 240018760), (89, 226534560), (96, 210016415), (105, 192015008), (112, 180014070), (120, 168013132), (140, 144011256), (160, 126009849), (168, 120009380), (178, 113267280), (210, 96007504), (224, 90007035), (240, 84006566), (267, 75511520), (280, 72005628), (336, 60004690), (356, 56633640), (420, 48003752), (445, 45306912), (480, 42003283), (534, 37755760), (560, 36002814), (623, 32362080), (672, 30002345), (712, 28316820), (840, 24001876), (890, 22653456), (1068, 18877880), (1120, 18001407), (1246, 16181040), (1335, 15102304), (1424, 14158410), (1680, 12000938), (1780, 11326728), (1869, 10787360), (2136, 9438940), (2492, 8090520), (2670, 7551152), (2848, 7079205), (3115, 6472416), (3360, 6000469), (3560, 5663364), (3738, 5393680), (4272, 4719470), (4984, 4045260), (5340, 3775576), (6230, 3236208), (7120, 2831682), (7476, 2696840), (8544, 2359735), (9345, 2157472), (9968, 2022630), (10680, 1887788), (12460, 1618104), (14240, 1415841), (14952, 1348420), (18690, 1078736), (19936, 1011315), (21360, 943894), (24920, 809052), (29904, 674210), (37380, 539368), (42720, 471947), (49840, 404526), (59808, 337105), (67421, 299040), (74760, 269684), (99680, 202263), (134842, 149520)]