11487280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 31051584

約数和(自身を除く): 19564304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 281, 292, 365, 511, 560, 562, 584, 730, 1022, 1124, 1168, 1405, 1460, 1967, 2044, 2248, 2555, 2810, 2920, 3934, 4088, 4496, 5110, 5620, 5840, 7868, 8176, 9835, 10220, 11240, 15736, 19670, 20440, 20513, 22480, 31472, 39340, 40880, 41026, 78680, 82052, 102565, 143591, 157360, 164104, 205130, 287182, 328208, 410260, 574364, 717955, 820520, 1148728, 1435910, 1641040, 2297456, 2871820, 5743640, 11487280]

約数ペア:

[(1, 11487280), (2, 5743640), (4, 2871820), (5, 2297456), (7, 1641040), (8, 1435910), (10, 1148728), (14, 820520), (16, 717955), (20, 574364), (28, 410260), (35, 328208), (40, 287182), (56, 205130), (70, 164104), (73, 157360), (80, 143591), (112, 102565), (140, 82052), (146, 78680), (280, 41026), (281, 40880), (292, 39340), (365, 31472), (511, 22480), (560, 20513), (562, 20440), (584, 19670), (730, 15736), (1022, 11240), (1124, 10220), (1168, 9835), (1405, 8176), (1460, 7868), (1967, 5840), (2044, 5620), (2248, 5110), (2555, 4496), (2810, 4088), (2920, 3934)]