12889380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{30689}}^1$

素因数の和:30708

約数の個数: 48

約数和(自身を含む): 41247360

約数和(自身を除く): 28357980

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, 30689, 61378, 92067, 122756, 153445, 184134, 214823, 306890, 368268, 429646, 460335, 613780, 644469, 859292, 920670, 1074115, 1288938, 1841340, 2148230, 2577876, 3222345, 4296460, 6444690, 12889380]

約数ペア:

[(1, 12889380), (2, 6444690), (3, 4296460), (4, 3222345), (5, 2577876), (6, 2148230), (7, 1841340), (10, 1288938), (12, 1074115), (14, 920670), (15, 859292), (20, 644469), (21, 613780), (28, 460335), (30, 429646), (35, 368268), (42, 306890), (60, 214823), (70, 184134), (84, 153445), (105, 122756), (140, 92067), (210, 61378), (420, 30689)]