1878200730

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:506

約数の個数: 256

約数和(自身を含む): 6078873600

約数和(自身を除く): 4200672870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 90, 95, 105, 114, 126, 133, 135, 171, 189, 190, 193, 210, 266, 270, 271, 285, 315, 342, 378, 386, 399, 513, 542, 570, 579, 630, 665, 798, 813, 855, 945, 965, 1026, 1158, 1197, 1330, 1351, 1355, 1626, 1710, 1737, 1890, 1897, 1930, 1995, 2394, 2439, 2565, 2702, 2710, 2895, 3474, 3591, 3667, 3794, 3990, 4053, 4065, 4878, 5130, 5149, 5211, 5691, 5790, 5985, 6755, 7182, 7317, 7334, 8106, 8130, 8685, 9485, 10298, 10422, 11001, 11382, 11970, 12159, 12195, 13510, 14634, 15447, 17073, 17370, 17955, 18335, 18970, 20265, 22002, 24318, 24390, 25669, 25745, 26055, 28455, 30894, 33003, 34146, 35910, 36043, 36477, 36585, 36670, 40530, 46341, 51219, 51338, 51490, 52110, 52303, 55005, 56910, 60795, 66006, 72086, 72954, 73170, 77007, 77235, 85365, 92682, 99009, 102438, 104606, 108129, 110010, 121590, 128345, 139023, 154014, 154470, 156909, 165015, 170730, 180215, 182385, 198018, 216258, 231021, 231705, 256095, 256690, 261515, 278046, 313818, 324387, 330030, 360430, 364770, 366121, 385035, 462042, 463410, 470727, 495045, 512190, 523030, 540645, 648774, 693063, 695115, 732242, 770070, 784545, 941454, 973161, 990090, 993757, 1081290, 1098363, 1155105, 1386126, 1390230, 1412181, 1569090, 1621935, 1830605, 1946322, 1987514, 2196726, 2310210, 2353635, 2824362, 2981271, 3243870, 3295089, 3465315, 3661210, 4707270, 4865805, 4968785, 5491815, 5962542, 6590178, 6930630, 6956299, 7060905, 8943813, 9731610, 9885267, 9937570, 10983630, 13912598, 14121810, 14906355, 16475445, 17887626, 19770534, 20868897, 26831439, 29812710, 32950890, 34781495, 41737794, 44719065, 49426335, 53662878, 62606691, 69562990, 89438130, 98852670, 104344485, 125213382, 134157195, 187820073, 208688970, 268314390, 313033455, 375640146, 626066910, 939100365, 1878200730]

約数ペア:

[(1, 1878200730), (2, 939100365), (3, 626066910), (5, 375640146), (6, 313033455), (7, 268314390), (9, 208688970), (10, 187820073), (14, 134157195), (15, 125213382), (18, 104344485), (19, 98852670), (21, 89438130), (27, 69562990), (30, 62606691), (35, 53662878), (38, 49426335), (42, 44719065), (45, 41737794), (54, 34781495), (57, 32950890), (63, 29812710), (70, 26831439), (90, 20868897), (95, 19770534), (105, 17887626), (114, 16475445), (126, 14906355), (133, 14121810), (135, 13912598), (171, 10983630), (189, 9937570), (190, 9885267), (193, 9731610), (210, 8943813), (266, 7060905), (270, 6956299), (271, 6930630), (285, 6590178), (315, 5962542), (342, 5491815), (378, 4968785), (386, 4865805), (399, 4707270), (513, 3661210), (542, 3465315), (570, 3295089), (579, 3243870), (630, 2981271), (665, 2824362), (798, 2353635), (813, 2310210), (855, 2196726), (945, 1987514), (965, 1946322), (1026, 1830605), (1158, 1621935), (1197, 1569090), (1330, 1412181), (1351, 1390230), (1355, 1386126), (1626, 1155105), (1710, 1098363), (1737, 1081290), (1890, 993757), (1897, 990090), (1930, 973161), (1995, 941454), (2394, 784545), (2439, 770070), (2565, 732242), (2702, 695115), (2710, 693063), (2895, 648774), (3474, 540645), (3591, 523030), (3667, 512190), (3794, 495045), (3990, 470727), (4053, 463410), (4065, 462042), (4878, 385035), (5130, 366121), (5149, 364770), (5211, 360430), (5691, 330030), (5790, 324387), (5985, 313818), (6755, 278046), (7182, 261515), (7317, 256690), (7334, 256095), (8106, 231705), (8130, 231021), (8685, 216258), (9485, 198018), (10298, 182385), (10422, 180215), (11001, 170730), (11382, 165015), (11970, 156909), (12159, 154470), (12195, 154014), (13510, 139023), (14634, 128345), (15447, 121590), (17073, 110010), (17370, 108129), (17955, 104606), (18335, 102438), (18970, 99009), (20265, 92682), (22002, 85365), (24318, 77235), (24390, 77007), (25669, 73170), (25745, 72954), (26055, 72086), (28455, 66006), (30894, 60795), (33003, 56910), (34146, 55005), (35910, 52303), (36043, 52110), (36477, 51490), (36585, 51338), (36670, 51219), (40530, 46341)]