160720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{41}}^1$

素因数の和:68

約数の個数: 60

約数和(自身を含む): 445284

約数和(自身を除く): 284564

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 49, 56, 70, 80, 82, 98, 112, 140, 164, 196, 205, 245, 280, 287, 328, 392, 410, 490, 560, 574, 656, 784, 820, 980, 1148, 1435, 1640, 1960, 2009, 2296, 2870, 3280, 3920, 4018, 4592, 5740, 8036, 10045, 11480, 16072, 20090, 22960, 32144, 40180, 80360, 160720]

約数ペア:

[(1, 160720), (2, 80360), (4, 40180), (5, 32144), (7, 22960), (8, 20090), (10, 16072), (14, 11480), (16, 10045), (20, 8036), (28, 5740), (35, 4592), (40, 4018), (41, 3920), (49, 3280), (56, 2870), (70, 2296), (80, 2009), (82, 1960), (98, 1640), (112, 1435), (140, 1148), (164, 980), (196, 820), (205, 784), (245, 656), (280, 574), (287, 560), (328, 490), (392, 410)]