77351680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 216336960

約数和(自身を除く): 138985280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 97, 112, 128, 140, 160, 178, 194, 224, 256, 280, 320, 356, 388, 445, 448, 485, 560, 623, 640, 679, 712, 776, 890, 896, 970, 1120, 1246, 1280, 1358, 1424, 1552, 1780, 1792, 1940, 2240, 2492, 2716, 2848, 3104, 3115, 3395, 3560, 3880, 4480, 4984, 5432, 5696, 6208, 6230, 6790, 7120, 7760, 8633, 8960, 9968, 10864, 11392, 12416, 12460, 13580, 14240, 15520, 17266, 19936, 21728, 22784, 24832, 24920, 27160, 28480, 31040, 34532, 39872, 43165, 43456, 49840, 54320, 56960, 60431, 62080, 69064, 79744, 86330, 86912, 99680, 108640, 113920, 120862, 124160, 138128, 159488, 172660, 173824, 199360, 217280, 241724, 276256, 302155, 345320, 398720, 434560, 483448, 552512, 604310, 690640, 797440, 869120, 966896, 1105024, 1208620, 1381280, 1933792, 2210048, 2417240, 2762560, 3867584, 4834480, 5525120, 7735168, 9668960, 11050240, 15470336, 19337920, 38675840, 77351680]

約数ペア:

[(1, 77351680), (2, 38675840), (4, 19337920), (5, 15470336), (7, 11050240), (8, 9668960), (10, 7735168), (14, 5525120), (16, 4834480), (20, 3867584), (28, 2762560), (32, 2417240), (35, 2210048), (40, 1933792), (56, 1381280), (64, 1208620), (70, 1105024), (80, 966896), (89, 869120), (97, 797440), (112, 690640), (128, 604310), (140, 552512), (160, 483448), (178, 434560), (194, 398720), (224, 345320), (256, 302155), (280, 276256), (320, 241724), (356, 217280), (388, 199360), (445, 173824), (448, 172660), (485, 159488), (560, 138128), (623, 124160), (640, 120862), (679, 113920), (712, 108640), (776, 99680), (890, 86912), (896, 86330), (970, 79744), (1120, 69064), (1246, 62080), (1280, 60431), (1358, 56960), (1424, 54320), (1552, 49840), (1780, 43456), (1792, 43165), (1940, 39872), (2240, 34532), (2492, 31040), (2716, 28480), (2848, 27160), (3104, 24920), (3115, 24832), (3395, 22784), (3560, 21728), (3880, 19936), (4480, 17266), (4984, 15520), (5432, 14240), (5696, 13580), (6208, 12460), (6230, 12416), (6790, 11392), (7120, 10864), (7760, 9968), (8633, 8960)]