51971920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1$

素因数の和:114

約数の個数: 240

約数和(自身を含む): 166239360

約数和(自身を除く): 114267440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 59, 65, 70, 77, 80, 88, 91, 104, 110, 112, 118, 121, 130, 140, 143, 154, 176, 182, 208, 220, 236, 242, 260, 280, 286, 295, 308, 364, 385, 413, 440, 455, 472, 484, 520, 560, 572, 590, 605, 616, 649, 715, 728, 767, 770, 826, 847, 880, 910, 944, 968, 1001, 1040, 1144, 1180, 1210, 1232, 1298, 1430, 1456, 1534, 1540, 1573, 1652, 1694, 1820, 1936, 2002, 2065, 2288, 2360, 2420, 2596, 2860, 3068, 3080, 3146, 3245, 3304, 3388, 3640, 3835, 4004, 4130, 4235, 4543, 4720, 4840, 5005, 5192, 5369, 5720, 6136, 6160, 6292, 6490, 6608, 6776, 7139, 7280, 7670, 7865, 8008, 8260, 8437, 8470, 9086, 9680, 10010, 10384, 10738, 11011, 11440, 12272, 12584, 12980, 13552, 14278, 15340, 15730, 16016, 16520, 16874, 16940, 18172, 20020, 21476, 22022, 22715, 25168, 25960, 26845, 28556, 30680, 31460, 33040, 33748, 33880, 35695, 36344, 40040, 42185, 42952, 44044, 45430, 49973, 51920, 53690, 55055, 57112, 59059, 61360, 62920, 67496, 67760, 71390, 72688, 80080, 84370, 85904, 88088, 90860, 92807, 99946, 107380, 110110, 114224, 118118, 125840, 134992, 142780, 168740, 176176, 181720, 185614, 199892, 214760, 220220, 236236, 249865, 285560, 295295, 337480, 363440, 371228, 399784, 429520, 440440, 464035, 472472, 499730, 571120, 590590, 649649, 674960, 742456, 799568, 880880, 928070, 944944, 999460, 1181180, 1299298, 1484912, 1856140, 1998920, 2362360, 2598596, 3248245, 3712280, 3997840, 4724720, 5197192, 6496490, 7424560, 10394384, 12992980, 25985960, 51971920]

約数ペア:

[(1, 51971920), (2, 25985960), (4, 12992980), (5, 10394384), (7, 7424560), (8, 6496490), (10, 5197192), (11, 4724720), (13, 3997840), (14, 3712280), (16, 3248245), (20, 2598596), (22, 2362360), (26, 1998920), (28, 1856140), (35, 1484912), (40, 1299298), (44, 1181180), (52, 999460), (55, 944944), (56, 928070), (59, 880880), (65, 799568), (70, 742456), (77, 674960), (80, 649649), (88, 590590), (91, 571120), (104, 499730), (110, 472472), (112, 464035), (118, 440440), (121, 429520), (130, 399784), (140, 371228), (143, 363440), (154, 337480), (176, 295295), (182, 285560), (208, 249865), (220, 236236), (236, 220220), (242, 214760), (260, 199892), (280, 185614), (286, 181720), (295, 176176), (308, 168740), (364, 142780), (385, 134992), (413, 125840), (440, 118118), (455, 114224), (472, 110110), (484, 107380), (520, 99946), (560, 92807), (572, 90860), (590, 88088), (605, 85904), (616, 84370), (649, 80080), (715, 72688), (728, 71390), (767, 67760), (770, 67496), (826, 62920), (847, 61360), (880, 59059), (910, 57112), (944, 55055), (968, 53690), (1001, 51920), (1040, 49973), (1144, 45430), (1180, 44044), (1210, 42952), (1232, 42185), (1298, 40040), (1430, 36344), (1456, 35695), (1534, 33880), (1540, 33748), (1573, 33040), (1652, 31460), (1694, 30680), (1820, 28556), (1936, 26845), (2002, 25960), (2065, 25168), (2288, 22715), (2360, 22022), (2420, 21476), (2596, 20020), (2860, 18172), (3068, 16940), (3080, 16874), (3146, 16520), (3245, 16016), (3304, 15730), (3388, 15340), (3640, 14278), (3835, 13552), (4004, 12980), (4130, 12584), (4235, 12272), (4543, 11440), (4720, 11011), (4840, 10738), (5005, 10384), (5192, 10010), (5369, 9680), (5720, 9086), (6136, 8470), (6160, 8437), (6292, 8260), (6490, 8008), (6608, 7865), (6776, 7670), (7139, 7280)]