137691680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{122939}}^1$

素因数の和:122961

約数の個数: 48

約数和(自身を含む): 371770560

約数和(自身を除く): 234078880

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, 1120, 122939, 245878, 491756, 614695, 860573, 983512, 1229390, 1721146, 1967024, 2458780, 3442292, 3934048, 4302865, 4917560, 6884584, 8605730, 9835120, 13769168, 17211460, 19670240, 27538336, 34422920, 68845840, 137691680]

約数ペア:

[(1, 137691680), (2, 68845840), (4, 34422920), (5, 27538336), (7, 19670240), (8, 17211460), (10, 13769168), (14, 9835120), (16, 8605730), (20, 6884584), (28, 4917560), (32, 4302865), (35, 3934048), (40, 3442292), (56, 2458780), (70, 1967024), (80, 1721146), (112, 1229390), (140, 983512), (160, 860573), (224, 614695), (280, 491756), (560, 245878), (1120, 122939)]