120302840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{61379}}^1$

素因数の和:61404

約数の個数: 48

約数和(自身を含む): 314879400

約数和(自身を除く): 194576560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 61379, 122758, 245516, 306895, 429653, 491032, 613790, 859306, 1227580, 1718612, 2148265, 2455160, 3007571, 3437224, 4296530, 6015142, 8593060, 12030284, 15037855, 17186120, 24060568, 30075710, 60151420, 120302840]

約数ペア:

[(1, 120302840), (2, 60151420), (4, 30075710), (5, 24060568), (7, 17186120), (8, 15037855), (10, 12030284), (14, 8593060), (20, 6015142), (28, 4296530), (35, 3437224), (40, 3007571), (49, 2455160), (56, 2148265), (70, 1718612), (98, 1227580), (140, 859306), (196, 613790), (245, 491032), (280, 429653), (392, 306895), (490, 245516), (980, 122758), (1960, 61379)]