80568320

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{281}}^1$

素因数の和:319

約数の個数: 112

約数和(自身を含む): 221760288

約数和(自身を除く): 141191968

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, 281, 320, 448, 512, 560, 562, 640, 896, 1024, 1120, 1124, 1280, 1405, 1792, 1967, 2048, 2240, 2248, 2560, 2810, 3584, 3934, 4096, 4480, 4496, 5120, 5620, 7168, 7868, 8192, 8960, 8992, 9835, 10240, 11240, 14336, 15736, 17920, 17984, 19670, 20480, 22480, 28672, 31472, 35840, 35968, 39340, 40960, 44960, 57344, 62944, 71680, 71936, 78680, 89920, 125888, 143360, 143872, 157360, 179840, 251776, 286720, 287744, 314720, 359680, 503552, 575488, 629440, 719360, 1007104, 1150976, 1258880, 1438720, 2014208, 2301952, 2517760, 2877440, 4028416, 5035520, 5754880, 8056832, 10071040, 11509760, 16113664, 20142080, 40284160, 80568320]

約数ペア:

[(1, 80568320), (2, 40284160), (4, 20142080), (5, 16113664), (7, 11509760), (8, 10071040), (10, 8056832), (14, 5754880), (16, 5035520), (20, 4028416), (28, 2877440), (32, 2517760), (35, 2301952), (40, 2014208), (56, 1438720), (64, 1258880), (70, 1150976), (80, 1007104), (112, 719360), (128, 629440), (140, 575488), (160, 503552), (224, 359680), (256, 314720), (280, 287744), (281, 286720), (320, 251776), (448, 179840), (512, 157360), (560, 143872), (562, 143360), (640, 125888), (896, 89920), (1024, 78680), (1120, 71936), (1124, 71680), (1280, 62944), (1405, 57344), (1792, 44960), (1967, 40960), (2048, 39340), (2240, 35968), (2248, 35840), (2560, 31472), (2810, 28672), (3584, 22480), (3934, 20480), (4096, 19670), (4480, 17984), (4496, 17920), (5120, 15736), (5620, 14336), (7168, 11240), (7868, 10240), (8192, 9835), (8960, 8992)]