122220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1$

素因数の和:119

約数の個数: 72

約数和(自身を含む): 428064

約数和(自身を除く): 305844

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, 97, 105, 126, 140, 180, 194, 210, 252, 291, 315, 388, 420, 485, 582, 630, 679, 873, 970, 1164, 1260, 1358, 1455, 1746, 1940, 2037, 2716, 2910, 3395, 3492, 4074, 4365, 5820, 6111, 6790, 8148, 8730, 10185, 12222, 13580, 17460, 20370, 24444, 30555, 40740, 61110, 122220]

約数ペア:

[(1, 122220), (2, 61110), (3, 40740), (4, 30555), (5, 24444), (6, 20370), (7, 17460), (9, 13580), (10, 12222), (12, 10185), (14, 8730), (15, 8148), (18, 6790), (20, 6111), (21, 5820), (28, 4365), (30, 4074), (35, 3492), (36, 3395), (42, 2910), (45, 2716), (60, 2037), (63, 1940), (70, 1746), (84, 1455), (90, 1358), (97, 1260), (105, 1164), (126, 970), (140, 873), (180, 679), (194, 630), (210, 582), (252, 485), (291, 420), (315, 388)]