154442820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{367721}}^1$

素因数の和:367740

約数の個数: 48

約数和(自身を含む): 494218368

約数和(自身を除く): 339775548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 367721, 735442, 1103163, 1470884, 1838605, 2206326, 2574047, 3677210, 4412652, 5148094, 5515815, 7354420, 7722141, 10296188, 11031630, 12870235, 15444282, 22063260, 25740470, 30888564, 38610705, 51480940, 77221410, 154442820]

約数ペア:

[(1, 154442820), (2, 77221410), (3, 51480940), (4, 38610705), (5, 30888564), (6, 25740470), (7, 22063260), (10, 15444282), (12, 12870235), (14, 11031630), (15, 10296188), (20, 7722141), (21, 7354420), (28, 5515815), (30, 5148094), (35, 4412652), (42, 3677210), (60, 2574047), (70, 2206326), (84, 1838605), (105, 1470884), (140, 1103163), (210, 735442), (420, 367721)]