28800420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3967}}^1$

素因数の和:4001

約数の個数: 72

約数和(自身を含む): 88660992

約数和(自身を除く): 59860572

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 3630, 3967, 7260, 7934, 11901, 15868, 19835, 23802, 39670, 43637, 47604, 59505, 79340, 87274, 119010, 130911, 174548, 218185, 238020, 261822, 436370, 480007, 523644, 654555, 872740, 960014, 1309110, 1440021, 1920028, 2400035, 2618220, 2880042, 4800070, 5760084, 7200105, 9600140, 14400210, 28800420]

約数ペア:

[(1, 28800420), (2, 14400210), (3, 9600140), (4, 7200105), (5, 5760084), (6, 4800070), (10, 2880042), (11, 2618220), (12, 2400035), (15, 1920028), (20, 1440021), (22, 1309110), (30, 960014), (33, 872740), (44, 654555), (55, 523644), (60, 480007), (66, 436370), (110, 261822), (121, 238020), (132, 218185), (165, 174548), (220, 130911), (242, 119010), (330, 87274), (363, 79340), (484, 59505), (605, 47604), (660, 43637), (726, 39670), (1210, 23802), (1452, 19835), (1815, 15868), (2420, 11901), (3630, 7934), (3967, 7260)]