198503280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{275699}}^1$

素因数の和:275718

約数の個数: 60

約数和(自身を含む): 666642600

約数和(自身を除く): 468139320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 275699, 551398, 827097, 1102796, 1378495, 1654194, 2205592, 2481291, 2756990, 3308388, 4135485, 4411184, 4962582, 5513980, 6616776, 8270970, 9925164, 11027960, 12406455, 13233552, 16541940, 19850328, 22055920, 24812910, 33083880, 39700656, 49625820, 66167760, 99251640, 198503280]

約数ペア:

[(1, 198503280), (2, 99251640), (3, 66167760), (4, 49625820), (5, 39700656), (6, 33083880), (8, 24812910), (9, 22055920), (10, 19850328), (12, 16541940), (15, 13233552), (16, 12406455), (18, 11027960), (20, 9925164), (24, 8270970), (30, 6616776), (36, 5513980), (40, 4962582), (45, 4411184), (48, 4135485), (60, 3308388), (72, 2756990), (80, 2481291), (90, 2205592), (120, 1654194), (144, 1378495), (180, 1102796), (240, 827097), (360, 551398), (720, 275699)]