28862820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22907}}^1$

素因数の和:22929

約数の個数: 72

約数和(自身を含む): 100062144

約数和(自身を除く): 71199324

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 22907, 45814, 68721, 91628, 114535, 137442, 160349, 206163, 229070, 274884, 320698, 343605, 412326, 458140, 481047, 641396, 687210, 801745, 824652, 962094, 1030815, 1374420, 1443141, 1603490, 1924188, 2061630, 2405235, 2886282, 3206980, 4123260, 4810470, 5772564, 7215705, 9620940, 14431410, 28862820]

約数ペア:

[(1, 28862820), (2, 14431410), (3, 9620940), (4, 7215705), (5, 5772564), (6, 4810470), (7, 4123260), (9, 3206980), (10, 2886282), (12, 2405235), (14, 2061630), (15, 1924188), (18, 1603490), (20, 1443141), (21, 1374420), (28, 1030815), (30, 962094), (35, 824652), (36, 801745), (42, 687210), (45, 641396), (60, 481047), (63, 458140), (70, 412326), (84, 343605), (90, 320698), (105, 274884), (126, 229070), (140, 206163), (180, 160349), (210, 137442), (252, 114535), (315, 91628), (420, 68721), (630, 45814), (1260, 22907)]