128989860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113149}}^1$

素因数の和:113180

約数の個数: 48

約数和(自身を含む): 380184000

約数和(自身を除く): 251194140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 113149, 226298, 339447, 452596, 565745, 678894, 1131490, 1357788, 1697235, 2149831, 2262980, 3394470, 4299662, 6449493, 6788940, 8599324, 10749155, 12898986, 21498310, 25797972, 32247465, 42996620, 64494930, 128989860]

約数ペア:

[(1, 128989860), (2, 64494930), (3, 42996620), (4, 32247465), (5, 25797972), (6, 21498310), (10, 12898986), (12, 10749155), (15, 8599324), (19, 6788940), (20, 6449493), (30, 4299662), (38, 3394470), (57, 2262980), (60, 2149831), (76, 1697235), (95, 1357788), (114, 1131490), (190, 678894), (228, 565745), (285, 452596), (380, 339447), (570, 226298), (1140, 113149)]