198191520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{137633}}^1$

素因数の和:137654

約数の個数: 72

約数和(自身を含む): 676333476

約数和(自身を除く): 478141956

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 137633, 275266, 412899, 550532, 688165, 825798, 1101064, 1238697, 1376330, 1651596, 2064495, 2202128, 2477394, 2752660, 3303192, 4128990, 4404256, 4954788, 5505320, 6193485, 6606384, 8257980, 9909576, 11010640, 12386970, 13212768, 16515960, 19819152, 22021280, 24773940, 33031920, 39638304, 49547880, 66063840, 99095760, 198191520]

約数ペア:

[(1, 198191520), (2, 99095760), (3, 66063840), (4, 49547880), (5, 39638304), (6, 33031920), (8, 24773940), (9, 22021280), (10, 19819152), (12, 16515960), (15, 13212768), (16, 12386970), (18, 11010640), (20, 9909576), (24, 8257980), (30, 6606384), (32, 6193485), (36, 5505320), (40, 4954788), (45, 4404256), (48, 4128990), (60, 3303192), (72, 2752660), (80, 2477394), (90, 2202128), (96, 2064495), (120, 1651596), (144, 1376330), (160, 1238697), (180, 1101064), (240, 825798), (288, 688165), (360, 550532), (480, 412899), (720, 275266), (1440, 137633)]