855879660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{5021}}^1$

素因数の和:5983

約数の個数: 72

約数和(自身を含む): 2599427376

約数和(自身を除く): 1743547716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 947, 1894, 2841, 3788, 4735, 5021, 5682, 8523, 9470, 10042, 11364, 14205, 15063, 17046, 18940, 20084, 25105, 28410, 30126, 34092, 42615, 45189, 50210, 56820, 60252, 75315, 85230, 90378, 100420, 150630, 170460, 180756, 225945, 301260, 451890, 903780, 4754887, 9509774, 14264661, 19019548, 23774435, 28529322, 42793983, 47548870, 57058644, 71323305, 85587966, 95097740, 142646610, 171175932, 213969915, 285293220, 427939830, 855879660]

約数ペア:

[(1, 855879660), (2, 427939830), (3, 285293220), (4, 213969915), (5, 171175932), (6, 142646610), (9, 95097740), (10, 85587966), (12, 71323305), (15, 57058644), (18, 47548870), (20, 42793983), (30, 28529322), (36, 23774435), (45, 19019548), (60, 14264661), (90, 9509774), (180, 4754887), (947, 903780), (1894, 451890), (2841, 301260), (3788, 225945), (4735, 180756), (5021, 170460), (5682, 150630), (8523, 100420), (9470, 90378), (10042, 85230), (11364, 75315), (14205, 60252), (15063, 56820), (17046, 50210), (18940, 45189), (20084, 42615), (25105, 34092), (28410, 30126)]