81751040

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{2281}}^1$

素因数の和:2313

約数の個数: 88

約数和(自身を含む): 224220192

約数和(自身を除く): 142469152

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, 1280, 1792, 2240, 2281, 2560, 3584, 4480, 4562, 5120, 7168, 8960, 9124, 11405, 15967, 17920, 18248, 22810, 31934, 35840, 36496, 45620, 63868, 72992, 79835, 91240, 127736, 145984, 159670, 182480, 255472, 291968, 319340, 364960, 510944, 583936, 638680, 729920, 1021888, 1167872, 1277360, 1459840, 2043776, 2335744, 2554720, 2919680, 4087552, 5109440, 5839360, 8175104, 10218880, 11678720, 16350208, 20437760, 40875520, 81751040]

約数ペア:

[(1, 81751040), (2, 40875520), (4, 20437760), (5, 16350208), (7, 11678720), (8, 10218880), (10, 8175104), (14, 5839360), (16, 5109440), (20, 4087552), (28, 2919680), (32, 2554720), (35, 2335744), (40, 2043776), (56, 1459840), (64, 1277360), (70, 1167872), (80, 1021888), (112, 729920), (128, 638680), (140, 583936), (160, 510944), (224, 364960), (256, 319340), (280, 291968), (320, 255472), (448, 182480), (512, 159670), (560, 145984), (640, 127736), (896, 91240), (1024, 79835), (1120, 72992), (1280, 63868), (1792, 45620), (2240, 36496), (2281, 35840), (2560, 31934), (3584, 22810), (4480, 18248), (4562, 17920), (5120, 15967), (7168, 11405), (8960, 9124)]