20649918240

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{10399}}^1$

素因数の和:10624

約数の個数: 288

約数和(自身を含む): 80951270400

約数和(自身を除く): 60301352160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 197, 210, 224, 240, 252, 280, 288, 315, 336, 360, 394, 420, 480, 504, 560, 591, 630, 672, 720, 788, 840, 985, 1008, 1120, 1182, 1260, 1379, 1440, 1576, 1680, 1773, 1970, 2016, 2364, 2520, 2758, 2955, 3152, 3360, 3546, 3940, 4137, 4728, 5040, 5516, 5910, 6304, 6895, 7092, 7880, 8274, 8865, 9456, 10080, 10399, 11032, 11820, 12411, 13790, 14184, 15760, 16548, 17730, 18912, 20685, 20798, 22064, 23640, 24822, 27580, 28368, 31197, 31520, 33096, 35460, 41370, 41596, 44128, 47280, 49644, 51995, 55160, 56736, 62055, 62394, 66192, 70920, 72793, 82740, 83192, 93591, 94560, 99288, 103990, 110320, 124110, 124788, 132384, 141840, 145586, 155985, 165480, 166384, 187182, 198576, 207980, 218379, 220640, 248220, 249576, 283680, 291172, 311970, 330960, 332768, 363965, 374364, 397152, 415960, 436758, 467955, 496440, 499152, 582344, 623940, 655137, 661920, 727930, 748728, 831920, 873516, 935910, 992880, 998304, 1091895, 1164688, 1247880, 1310274, 1455860, 1497456, 1663840, 1747032, 1871820, 1985760, 2048603, 2183790, 2329376, 2495760, 2620548, 2911720, 2994912, 3275685, 3494064, 3743640, 4097206, 4367580, 4991520, 5241096, 5823440, 6145809, 6551370, 6988128, 7487280, 8194412, 8735160, 10243015, 10482192, 11646880, 12291618, 13102740, 14340221, 14974560, 16388824, 17470320, 18437427, 20486030, 20964384, 24583236, 26205480, 28680442, 30729045, 32777648, 34940640, 36874854, 40972060, 43020663, 49166472, 52410960, 57360884, 61458090, 65555296, 71701105, 73749708, 81944120, 86041326, 92187135, 98332944, 104821920, 114721768, 122916180, 129061989, 143402210, 147499416, 163888240, 172082652, 184374270, 196665888, 215103315, 229443536, 245832360, 258123978, 286804420, 294998832, 327776480, 344165304, 368748540, 430206630, 458887072, 491664720, 516247956, 573608840, 589997664, 645309945, 688330608, 737497080, 860413260, 983329440, 1032495912, 1147217680, 1290619890, 1376661216, 1474994160, 1720826520, 2064991824, 2294435360, 2581239780, 2949988320, 3441653040, 4129983648, 5162479560, 6883306080, 10324959120, 20649918240]

約数ペア:

[(1, 20649918240), (2, 10324959120), (3, 6883306080), (4, 5162479560), (5, 4129983648), (6, 3441653040), (7, 2949988320), (8, 2581239780), (9, 2294435360), (10, 2064991824), (12, 1720826520), (14, 1474994160), (15, 1376661216), (16, 1290619890), (18, 1147217680), (20, 1032495912), (21, 983329440), (24, 860413260), (28, 737497080), (30, 688330608), (32, 645309945), (35, 589997664), (36, 573608840), (40, 516247956), (42, 491664720), (45, 458887072), (48, 430206630), (56, 368748540), (60, 344165304), (63, 327776480), (70, 294998832), (72, 286804420), (80, 258123978), (84, 245832360), (90, 229443536), (96, 215103315), (105, 196665888), (112, 184374270), (120, 172082652), (126, 163888240), (140, 147499416), (144, 143402210), (160, 129061989), (168, 122916180), (180, 114721768), (197, 104821920), (210, 98332944), (224, 92187135), (240, 86041326), (252, 81944120), (280, 73749708), (288, 71701105), (315, 65555296), (336, 61458090), (360, 57360884), (394, 52410960), (420, 49166472), (480, 43020663), (504, 40972060), (560, 36874854), (591, 34940640), (630, 32777648), (672, 30729045), (720, 28680442), (788, 26205480), (840, 24583236), (985, 20964384), (1008, 20486030), (1120, 18437427), (1182, 17470320), (1260, 16388824), (1379, 14974560), (1440, 14340221), (1576, 13102740), (1680, 12291618), (1773, 11646880), (1970, 10482192), (2016, 10243015), (2364, 8735160), (2520, 8194412), (2758, 7487280), (2955, 6988128), (3152, 6551370), (3360, 6145809), (3546, 5823440), (3940, 5241096), (4137, 4991520), (4728, 4367580), (5040, 4097206), (5516, 3743640), (5910, 3494064), (6304, 3275685), (6895, 2994912), (7092, 2911720), (7880, 2620548), (8274, 2495760), (8865, 2329376), (9456, 2183790), (10080, 2048603), (10399, 1985760), (11032, 1871820), (11820, 1747032), (12411, 1663840), (13790, 1497456), (14184, 1455860), (15760, 1310274), (16548, 1247880), (17730, 1164688), (18912, 1091895), (20685, 998304), (20798, 992880), (22064, 935910), (23640, 873516), (24822, 831920), (27580, 748728), (28368, 727930), (31197, 661920), (31520, 655137), (33096, 623940), (35460, 582344), (41370, 499152), (41596, 496440), (44128, 467955), (47280, 436758), (49644, 415960), (51995, 397152), (55160, 374364), (56736, 363965), (62055, 332768), (62394, 330960), (66192, 311970), (70920, 291172), (72793, 283680), (82740, 249576), (83192, 248220), (93591, 220640), (94560, 218379), (99288, 207980), (103990, 198576), (110320, 187182), (124110, 166384), (124788, 165480), (132384, 155985), (141840, 145586)]