19944877560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1308719}}^1$

素因数の和:1308860

約数の個数: 64

約数和(自身を含む): 60305817600

約数和(自身を除く): 40360940040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2540, 3048, 3810, 5080, 7620, 15240, 1308719, 2617438, 3926157, 5234876, 6543595, 7852314, 10469752, 13087190, 15704628, 19630785, 26174380, 31409256, 39261570, 52348760, 78523140, 157046280, 166207313, 332414626, 498621939, 664829252, 831036565, 997243878, 1329658504, 1662073130, 1994487756, 2493109695, 3324146260, 3988975512, 4986219390, 6648292520, 9972438780, 19944877560]

約数ペア:

[(1, 19944877560), (2, 9972438780), (3, 6648292520), (4, 4986219390), (5, 3988975512), (6, 3324146260), (8, 2493109695), (10, 1994487756), (12, 1662073130), (15, 1329658504), (20, 997243878), (24, 831036565), (30, 664829252), (40, 498621939), (60, 332414626), (120, 166207313), (127, 157046280), (254, 78523140), (381, 52348760), (508, 39261570), (635, 31409256), (762, 26174380), (1016, 19630785), (1270, 15704628), (1524, 13087190), (1905, 10469752), (2540, 7852314), (3048, 6543595), (3810, 5234876), (5080, 3926157), (7620, 2617438), (15240, 1308719)]