80496640

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{1123}}^1$

素因数の和:1157

約数の個数: 96

約数和(自身を含む): 220933440

約数和(自身を除く): 140436800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1024, 1120, 1123, 1280, 1792, 2048, 2240, 2246, 2560, 3584, 4480, 4492, 5120, 5615, 7168, 7861, 8960, 8984, 10240, 11230, 14336, 15722, 17920, 17968, 22460, 31444, 35840, 35936, 39305, 44920, 62888, 71680, 71872, 78610, 89840, 125776, 143744, 157220, 179680, 251552, 287488, 314440, 359360, 503104, 574976, 628880, 718720, 1006208, 1149952, 1257760, 1437440, 2012416, 2299904, 2515520, 2874880, 4024832, 5031040, 5749760, 8049664, 10062080, 11499520, 16099328, 20124160, 40248320, 80496640]

約数ペア:

[(1, 80496640), (2, 40248320), (4, 20124160), (5, 16099328), (7, 11499520), (8, 10062080), (10, 8049664), (14, 5749760), (16, 5031040), (20, 4024832), (28, 2874880), (32, 2515520), (35, 2299904), (40, 2012416), (56, 1437440), (64, 1257760), (70, 1149952), (80, 1006208), (112, 718720), (128, 628880), (140, 574976), (160, 503104), (224, 359360), (256, 314440), (280, 287488), (320, 251552), (448, 179680), (512, 157220), (560, 143744), (640, 125776), (896, 89840), (1024, 78610), (1120, 71872), (1123, 71680), (1280, 62888), (1792, 44920), (2048, 39305), (2240, 35936), (2246, 35840), (2560, 31444), (3584, 22460), (4480, 17968), (4492, 17920), (5120, 15722), (5615, 14336), (7168, 11230), (7861, 10240), (8960, 8984)]