2157109380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{1331549}}^1$

素因数の和:1331570

約数の個数: 60

約数和(自身を含む): 6766937100

約数和(自身を除く): 4609827720

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 1331549, 2663098, 3994647, 5326196, 6657745, 7989294, 11983941, 13315490, 15978588, 19973235, 23967882, 26630980, 35951823, 39946470, 47935764, 59919705, 71903646, 79892940, 107855469, 119839410, 143807292, 179759115, 215710938, 239678820, 359518230, 431421876, 539277345, 719036460, 1078554690, 2157109380]

約数ペア:

[(1, 2157109380), (2, 1078554690), (3, 719036460), (4, 539277345), (5, 431421876), (6, 359518230), (9, 239678820), (10, 215710938), (12, 179759115), (15, 143807292), (18, 119839410), (20, 107855469), (27, 79892940), (30, 71903646), (36, 59919705), (45, 47935764), (54, 39946470), (60, 35951823), (81, 26630980), (90, 23967882), (108, 19973235), (135, 15978588), (162, 13315490), (180, 11983941), (270, 7989294), (324, 6657745), (405, 5326196), (540, 3994647), (810, 2663098), (1620, 1331549)]