291361920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{577}}^1$

素因数の和:862

約数の個数: 128

約数和(自身を含む): 933863040

約数和(自身を除く): 642501120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 263, 320, 384, 480, 526, 577, 640, 789, 960, 1052, 1154, 1315, 1578, 1731, 1920, 2104, 2308, 2630, 2885, 3156, 3462, 3945, 4208, 4616, 5260, 5770, 6312, 6924, 7890, 8416, 8655, 9232, 10520, 11540, 12624, 13848, 15780, 16832, 17310, 18464, 21040, 23080, 25248, 27696, 31560, 33664, 34620, 36928, 42080, 46160, 50496, 55392, 63120, 69240, 73856, 84160, 92320, 100992, 110784, 126240, 138480, 151751, 168320, 184640, 221568, 252480, 276960, 303502, 369280, 455253, 504960, 553920, 607004, 758755, 910506, 1107840, 1214008, 1517510, 1821012, 2276265, 2428016, 3035020, 3642024, 4552530, 4856032, 6070040, 7284048, 9105060, 9712064, 12140080, 14568096, 18210120, 19424128, 24280160, 29136192, 36420240, 48560320, 58272384, 72840480, 97120640, 145680960, 291361920]

約数ペア:

[(1, 291361920), (2, 145680960), (3, 97120640), (4, 72840480), (5, 58272384), (6, 48560320), (8, 36420240), (10, 29136192), (12, 24280160), (15, 19424128), (16, 18210120), (20, 14568096), (24, 12140080), (30, 9712064), (32, 9105060), (40, 7284048), (48, 6070040), (60, 4856032), (64, 4552530), (80, 3642024), (96, 3035020), (120, 2428016), (128, 2276265), (160, 1821012), (192, 1517510), (240, 1214008), (263, 1107840), (320, 910506), (384, 758755), (480, 607004), (526, 553920), (577, 504960), (640, 455253), (789, 369280), (960, 303502), (1052, 276960), (1154, 252480), (1315, 221568), (1578, 184640), (1731, 168320), (1920, 151751), (2104, 138480), (2308, 126240), (2630, 110784), (2885, 100992), (3156, 92320), (3462, 84160), (3945, 73856), (4208, 69240), (4616, 63120), (5260, 55392), (5770, 50496), (6312, 46160), (6924, 42080), (7890, 36928), (8416, 34620), (8655, 33664), (9232, 31560), (10520, 27696), (11540, 25248), (12624, 23080), (13848, 21040), (15780, 18464), (16832, 17310)]