1820846720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3359}}^1$

素因数の和:3407

約数の個数: 192

約数和(自身を含む): 5469811200

約数和(自身を除く): 3648964480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 121, 128, 140, 154, 160, 176, 220, 224, 242, 280, 308, 320, 352, 385, 440, 448, 484, 560, 605, 616, 640, 704, 770, 847, 880, 896, 968, 1120, 1210, 1232, 1408, 1540, 1694, 1760, 1936, 2240, 2420, 2464, 3080, 3359, 3388, 3520, 3872, 4235, 4480, 4840, 4928, 6160, 6718, 6776, 7040, 7744, 8470, 9680, 9856, 12320, 13436, 13552, 15488, 16795, 16940, 19360, 23513, 24640, 26872, 27104, 33590, 33880, 36949, 38720, 47026, 49280, 53744, 54208, 67180, 67760, 73898, 77440, 94052, 107488, 108416, 117565, 134360, 135520, 147796, 184745, 188104, 214976, 235130, 258643, 268720, 271040, 295592, 369490, 376208, 406439, 429952, 470260, 517286, 537440, 542080, 591184, 738980, 752416, 812878, 940520, 1034572, 1074880, 1182368, 1293215, 1477960, 1504832, 1625756, 1881040, 2032195, 2069144, 2149760, 2364736, 2586430, 2845073, 2955920, 3009664, 3251512, 3762080, 4064390, 4138288, 4729472, 5172860, 5690146, 5911840, 6503024, 7524160, 8128780, 8276576, 10345720, 11380292, 11823680, 13006048, 14225365, 15048320, 16257560, 16553152, 20691440, 22760584, 23647360, 26012096, 28450730, 32515120, 33106304, 41382880, 45521168, 52024192, 56901460, 65030240, 82765760, 91042336, 113802920, 130060480, 165531520, 182084672, 227605840, 260120960, 364169344, 455211680, 910423360, 1820846720]

約数ペア:

[(1, 1820846720), (2, 910423360), (4, 455211680), (5, 364169344), (7, 260120960), (8, 227605840), (10, 182084672), (11, 165531520), (14, 130060480), (16, 113802920), (20, 91042336), (22, 82765760), (28, 65030240), (32, 56901460), (35, 52024192), (40, 45521168), (44, 41382880), (55, 33106304), (56, 32515120), (64, 28450730), (70, 26012096), (77, 23647360), (80, 22760584), (88, 20691440), (110, 16553152), (112, 16257560), (121, 15048320), (128, 14225365), (140, 13006048), (154, 11823680), (160, 11380292), (176, 10345720), (220, 8276576), (224, 8128780), (242, 7524160), (280, 6503024), (308, 5911840), (320, 5690146), (352, 5172860), (385, 4729472), (440, 4138288), (448, 4064390), (484, 3762080), (560, 3251512), (605, 3009664), (616, 2955920), (640, 2845073), (704, 2586430), (770, 2364736), (847, 2149760), (880, 2069144), (896, 2032195), (968, 1881040), (1120, 1625756), (1210, 1504832), (1232, 1477960), (1408, 1293215), (1540, 1182368), (1694, 1074880), (1760, 1034572), (1936, 940520), (2240, 812878), (2420, 752416), (2464, 738980), (3080, 591184), (3359, 542080), (3388, 537440), (3520, 517286), (3872, 470260), (4235, 429952), (4480, 406439), (4840, 376208), (4928, 369490), (6160, 295592), (6718, 271040), (6776, 268720), (7040, 258643), (7744, 235130), (8470, 214976), (9680, 188104), (9856, 184745), (12320, 147796), (13436, 135520), (13552, 134360), (15488, 117565), (16795, 108416), (16940, 107488), (19360, 94052), (23513, 77440), (24640, 73898), (26872, 67760), (27104, 67180), (33590, 54208), (33880, 53744), (36949, 49280), (38720, 47026)]