159980340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{205103}}^1$

素因数の和:205128

約数の個数: 48

約数和(自身を含む): 482404608

約数和(自身を除く): 322424268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 205103, 410206, 615309, 820412, 1025515, 1230618, 2051030, 2461236, 2666339, 3076545, 4102060, 5332678, 6153090, 7999017, 10665356, 12306180, 13331695, 15998034, 26663390, 31996068, 39995085, 53326780, 79990170, 159980340]

約数ペア:

[(1, 159980340), (2, 79990170), (3, 53326780), (4, 39995085), (5, 31996068), (6, 26663390), (10, 15998034), (12, 13331695), (13, 12306180), (15, 10665356), (20, 7999017), (26, 6153090), (30, 5332678), (39, 4102060), (52, 3076545), (60, 2666339), (65, 2461236), (78, 2051030), (130, 1230618), (156, 1025515), (195, 820412), (260, 615309), (390, 410206), (780, 205103)]