61158440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{218423}}^1$

素因数の和:218441

約数の個数: 32

約数和(自身を含む): 157265280

約数和(自身を除く): 96106840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 218423, 436846, 873692, 1092115, 1528961, 1747384, 2184230, 3057922, 4368460, 6115844, 7644805, 8736920, 12231688, 15289610, 30579220, 61158440]

約数ペア:

[(1, 61158440), (2, 30579220), (4, 15289610), (5, 12231688), (7, 8736920), (8, 7644805), (10, 6115844), (14, 4368460), (20, 3057922), (28, 2184230), (35, 1747384), (40, 1528961), (56, 1092115), (70, 873692), (140, 436846), (280, 218423)]