1989325440

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{115123}}^1$

素因数の和:115151

約数の個数: 128

約数和(自身を含む): 7045588800

約数和(自身を除く): 5056263360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 115123, 230246, 345369, 460492, 575615, 690738, 920984, 1036107, 1151230, 1381476, 1726845, 1841968, 2072214, 2302460, 2762952, 3108321, 3453690, 3683936, 4144428, 4604920, 5180535, 5525904, 6216642, 6907380, 7367872, 8288856, 9209840, 10361070, 11051808, 12433284, 13814760, 14735744, 15541605, 16577712, 18419680, 20722140, 22103616, 24866568, 27629520, 31083210, 33155424, 36839360, 41444280, 44207232, 49733136, 55259040, 62166420, 66310848, 73678720, 82888560, 99466272, 110518080, 124332840, 132621696, 165777120, 198932544, 221036160, 248665680, 331554240, 397865088, 497331360, 663108480, 994662720, 1989325440]

約数ペア:

[(1, 1989325440), (2, 994662720), (3, 663108480), (4, 497331360), (5, 397865088), (6, 331554240), (8, 248665680), (9, 221036160), (10, 198932544), (12, 165777120), (15, 132621696), (16, 124332840), (18, 110518080), (20, 99466272), (24, 82888560), (27, 73678720), (30, 66310848), (32, 62166420), (36, 55259040), (40, 49733136), (45, 44207232), (48, 41444280), (54, 36839360), (60, 33155424), (64, 31083210), (72, 27629520), (80, 24866568), (90, 22103616), (96, 20722140), (108, 18419680), (120, 16577712), (128, 15541605), (135, 14735744), (144, 13814760), (160, 12433284), (180, 11051808), (192, 10361070), (216, 9209840), (240, 8288856), (270, 7367872), (288, 6907380), (320, 6216642), (360, 5525904), (384, 5180535), (432, 4604920), (480, 4144428), (540, 3683936), (576, 3453690), (640, 3108321), (720, 2762952), (864, 2302460), (960, 2072214), (1080, 1841968), (1152, 1726845), (1440, 1381476), (1728, 1151230), (1920, 1036107), (2160, 920984), (2880, 690738), (3456, 575615), (4320, 460492), (5760, 345369), (8640, 230246), (17280, 115123)]