198243840

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:420

約数の個数: 160

約数和(自身を含む): 643458816

約数和(自身を除く): 445214976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 83, 96, 120, 128, 160, 166, 192, 240, 249, 256, 311, 320, 332, 384, 415, 480, 498, 512, 622, 640, 664, 768, 830, 933, 960, 996, 1244, 1245, 1280, 1328, 1536, 1555, 1660, 1866, 1920, 1992, 2488, 2490, 2560, 2656, 3110, 3320, 3732, 3840, 3984, 4665, 4976, 4980, 5312, 6220, 6640, 7464, 7680, 7968, 9330, 9952, 9960, 10624, 12440, 13280, 14928, 15936, 18660, 19904, 19920, 21248, 24880, 25813, 26560, 29856, 31872, 37320, 39808, 39840, 42496, 49760, 51626, 53120, 59712, 63744, 74640, 77439, 79616, 79680, 99520, 103252, 106240, 119424, 127488, 129065, 149280, 154878, 159232, 159360, 199040, 206504, 212480, 238848, 258130, 298560, 309756, 318720, 387195, 398080, 413008, 477696, 516260, 597120, 619512, 637440, 774390, 796160, 826016, 1032520, 1194240, 1239024, 1548780, 1652032, 2065040, 2388480, 2478048, 3097560, 3304064, 4130080, 4956096, 6195120, 6608128, 8260160, 9912192, 12390240, 13216256, 16520320, 19824384, 24780480, 33040640, 39648768, 49560960, 66081280, 99121920, 198243840]

約数ペア:

[(1, 198243840), (2, 99121920), (3, 66081280), (4, 49560960), (5, 39648768), (6, 33040640), (8, 24780480), (10, 19824384), (12, 16520320), (15, 13216256), (16, 12390240), (20, 9912192), (24, 8260160), (30, 6608128), (32, 6195120), (40, 4956096), (48, 4130080), (60, 3304064), (64, 3097560), (80, 2478048), (83, 2388480), (96, 2065040), (120, 1652032), (128, 1548780), (160, 1239024), (166, 1194240), (192, 1032520), (240, 826016), (249, 796160), (256, 774390), (311, 637440), (320, 619512), (332, 597120), (384, 516260), (415, 477696), (480, 413008), (498, 398080), (512, 387195), (622, 318720), (640, 309756), (664, 298560), (768, 258130), (830, 238848), (933, 212480), (960, 206504), (996, 199040), (1244, 159360), (1245, 159232), (1280, 154878), (1328, 149280), (1536, 129065), (1555, 127488), (1660, 119424), (1866, 106240), (1920, 103252), (1992, 99520), (2488, 79680), (2490, 79616), (2560, 77439), (2656, 74640), (3110, 63744), (3320, 59712), (3732, 53120), (3840, 51626), (3984, 49760), (4665, 42496), (4976, 39840), (4980, 39808), (5312, 37320), (6220, 31872), (6640, 29856), (7464, 26560), (7680, 25813), (7968, 24880), (9330, 21248), (9952, 19920), (9960, 19904), (10624, 18660), (12440, 15936), (13280, 14928)]