1228640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1097}}^1$

素因数の和:1119

約数の個数: 48

約数和(自身を含む): 3320352

約数和(自身を除く): 2091712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1097, 1120, 2194, 4388, 5485, 7679, 8776, 10970, 15358, 17552, 21940, 30716, 35104, 38395, 43880, 61432, 76790, 87760, 122864, 153580, 175520, 245728, 307160, 614320, 1228640]

約数ペア:

[(1, 1228640), (2, 614320), (4, 307160), (5, 245728), (7, 175520), (8, 153580), (10, 122864), (14, 87760), (16, 76790), (20, 61432), (28, 43880), (32, 38395), (35, 35104), (40, 30716), (56, 21940), (70, 17552), (80, 15358), (112, 10970), (140, 8776), (160, 7679), (224, 5485), (280, 4388), (560, 2194), (1097, 1120)]