198171960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{235919}}^1$

素因数の和:235940

約数の個数: 64

約数和(自身を含む): 679449600

約数和(自身を除く): 481277640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 235919, 471838, 707757, 943676, 1179595, 1415514, 1651433, 1887352, 2359190, 2831028, 3302866, 3538785, 4718380, 4954299, 5662056, 6605732, 7077570, 8257165, 9436760, 9908598, 13211464, 14155140, 16514330, 19817196, 24771495, 28310280, 33028660, 39634392, 49542990, 66057320, 99085980, 198171960]

約数ペア:

[(1, 198171960), (2, 99085980), (3, 66057320), (4, 49542990), (5, 39634392), (6, 33028660), (7, 28310280), (8, 24771495), (10, 19817196), (12, 16514330), (14, 14155140), (15, 13211464), (20, 9908598), (21, 9436760), (24, 8257165), (28, 7077570), (30, 6605732), (35, 5662056), (40, 4954299), (42, 4718380), (56, 3538785), (60, 3302866), (70, 2831028), (84, 2359190), (105, 1887352), (120, 1651433), (140, 1415514), (168, 1179595), (210, 943676), (280, 707757), (420, 471838), (840, 235919)]