121682820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{289721}}^1$

素因数の和:289740

約数の個数: 48

約数和(自身を含む): 389386368

約数和(自身を除く): 267703548

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, 289721, 579442, 869163, 1158884, 1448605, 1738326, 2028047, 2897210, 3476652, 4056094, 4345815, 5794420, 6084141, 8112188, 8691630, 10140235, 12168282, 17383260, 20280470, 24336564, 30420705, 40560940, 60841410, 121682820]

約数ペア:

[(1, 121682820), (2, 60841410), (3, 40560940), (4, 30420705), (5, 24336564), (6, 20280470), (7, 17383260), (10, 12168282), (12, 10140235), (14, 8691630), (15, 8112188), (20, 6084141), (21, 5794420), (28, 4345815), (30, 4056094), (35, 3476652), (42, 2897210), (60, 2028047), (70, 1738326), (84, 1448605), (105, 1158884), (140, 869163), (210, 579442), (420, 289721)]