290480640

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:482

約数の個数: 160

約数和(自身を含む): 939850560

約数和(自身を除く): 649369920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 109, 120, 128, 160, 192, 218, 240, 256, 320, 327, 347, 384, 436, 480, 512, 545, 640, 654, 694, 768, 872, 960, 1041, 1090, 1280, 1308, 1388, 1536, 1635, 1735, 1744, 1920, 2082, 2180, 2560, 2616, 2776, 3270, 3470, 3488, 3840, 4164, 4360, 5205, 5232, 5552, 6540, 6940, 6976, 7680, 8328, 8720, 10410, 10464, 11104, 13080, 13880, 13952, 16656, 17440, 20820, 20928, 22208, 26160, 27760, 27904, 33312, 34880, 37823, 41640, 41856, 44416, 52320, 55520, 55808, 66624, 69760, 75646, 83280, 83712, 88832, 104640, 111040, 113469, 133248, 139520, 151292, 166560, 167424, 177664, 189115, 209280, 222080, 226938, 266496, 279040, 302584, 333120, 378230, 418560, 444160, 453876, 532992, 567345, 605168, 666240, 756460, 837120, 888320, 907752, 1134690, 1210336, 1332480, 1512920, 1815504, 2269380, 2420672, 2664960, 3025840, 3631008, 4538760, 4841344, 6051680, 7262016, 9077520, 9682688, 12103360, 14524032, 18155040, 19365376, 24206720, 29048064, 36310080, 48413440, 58096128, 72620160, 96826880, 145240320, 290480640]

約数ペア:

[(1, 290480640), (2, 145240320), (3, 96826880), (4, 72620160), (5, 58096128), (6, 48413440), (8, 36310080), (10, 29048064), (12, 24206720), (15, 19365376), (16, 18155040), (20, 14524032), (24, 12103360), (30, 9682688), (32, 9077520), (40, 7262016), (48, 6051680), (60, 4841344), (64, 4538760), (80, 3631008), (96, 3025840), (109, 2664960), (120, 2420672), (128, 2269380), (160, 1815504), (192, 1512920), (218, 1332480), (240, 1210336), (256, 1134690), (320, 907752), (327, 888320), (347, 837120), (384, 756460), (436, 666240), (480, 605168), (512, 567345), (545, 532992), (640, 453876), (654, 444160), (694, 418560), (768, 378230), (872, 333120), (960, 302584), (1041, 279040), (1090, 266496), (1280, 226938), (1308, 222080), (1388, 209280), (1536, 189115), (1635, 177664), (1735, 167424), (1744, 166560), (1920, 151292), (2082, 139520), (2180, 133248), (2560, 113469), (2616, 111040), (2776, 104640), (3270, 88832), (3470, 83712), (3488, 83280), (3840, 75646), (4164, 69760), (4360, 66624), (5205, 55808), (5232, 55520), (5552, 52320), (6540, 44416), (6940, 41856), (6976, 41640), (7680, 37823), (8328, 34880), (8720, 33312), (10410, 27904), (10464, 27760), (11104, 26160), (13080, 22208), (13880, 20928), (13952, 20820), (16656, 17440)]