27800960

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{359}}^1$

素因数の和:400

約数の個数: 96

約数和(自身を含む): 73256400

約数和(自身を除く): 45455440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 320, 352, 359, 440, 484, 605, 640, 704, 718, 880, 968, 1210, 1408, 1436, 1760, 1795, 1936, 2420, 2872, 3520, 3590, 3872, 3949, 4840, 5744, 7040, 7180, 7744, 7898, 9680, 11488, 14360, 15488, 15796, 19360, 19745, 22976, 28720, 31592, 38720, 39490, 43439, 45952, 57440, 63184, 77440, 78980, 86878, 114880, 126368, 157960, 173756, 217195, 229760, 252736, 315920, 347512, 434390, 505472, 631840, 695024, 868780, 1263680, 1390048, 1737560, 2527360, 2780096, 3475120, 5560192, 6950240, 13900480, 27800960]

約数ペア:

[(1, 27800960), (2, 13900480), (4, 6950240), (5, 5560192), (8, 3475120), (10, 2780096), (11, 2527360), (16, 1737560), (20, 1390048), (22, 1263680), (32, 868780), (40, 695024), (44, 631840), (55, 505472), (64, 434390), (80, 347512), (88, 315920), (110, 252736), (121, 229760), (128, 217195), (160, 173756), (176, 157960), (220, 126368), (242, 114880), (320, 86878), (352, 78980), (359, 77440), (440, 63184), (484, 57440), (605, 45952), (640, 43439), (704, 39490), (718, 38720), (880, 31592), (968, 28720), (1210, 22976), (1408, 19745), (1436, 19360), (1760, 15796), (1795, 15488), (1936, 14360), (2420, 11488), (2872, 9680), (3520, 7898), (3590, 7744), (3872, 7180), (3949, 7040), (4840, 5744)]