28803840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1$

素因数の和:614

約数の個数: 144

約数和(自身を含む): 99240288

約数和(自身を除く): 70436448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 520, 577, 624, 640, 768, 780, 832, 960, 1040, 1154, 1248, 1280, 1560, 1664, 1731, 1920, 2080, 2308, 2496, 2885, 3120, 3328, 3462, 3840, 4160, 4616, 4992, 5770, 6240, 6924, 7501, 8320, 8655, 9232, 9984, 11540, 12480, 13848, 15002, 16640, 17310, 18464, 22503, 23080, 24960, 27696, 30004, 34620, 36928, 37505, 45006, 46160, 49920, 55392, 60008, 69240, 73856, 75010, 90012, 92320, 110784, 112515, 120016, 138480, 147712, 150020, 180024, 184640, 221568, 225030, 240032, 276960, 300040, 360048, 369280, 443136, 450060, 480064, 553920, 600080, 720096, 738560, 900120, 960128, 1107840, 1200160, 1440192, 1800240, 1920256, 2215680, 2400320, 2880384, 3600480, 4800640, 5760768, 7200960, 9601280, 14401920, 28803840]

約数ペア:

[(1, 28803840), (2, 14401920), (3, 9601280), (4, 7200960), (5, 5760768), (6, 4800640), (8, 3600480), (10, 2880384), (12, 2400320), (13, 2215680), (15, 1920256), (16, 1800240), (20, 1440192), (24, 1200160), (26, 1107840), (30, 960128), (32, 900120), (39, 738560), (40, 720096), (48, 600080), (52, 553920), (60, 480064), (64, 450060), (65, 443136), (78, 369280), (80, 360048), (96, 300040), (104, 276960), (120, 240032), (128, 225030), (130, 221568), (156, 184640), (160, 180024), (192, 150020), (195, 147712), (208, 138480), (240, 120016), (256, 112515), (260, 110784), (312, 92320), (320, 90012), (384, 75010), (390, 73856), (416, 69240), (480, 60008), (520, 55392), (577, 49920), (624, 46160), (640, 45006), (768, 37505), (780, 36928), (832, 34620), (960, 30004), (1040, 27696), (1154, 24960), (1248, 23080), (1280, 22503), (1560, 18464), (1664, 17310), (1731, 16640), (1920, 15002), (2080, 13848), (2308, 12480), (2496, 11540), (2885, 9984), (3120, 9232), (3328, 8655), (3462, 8320), (3840, 7501), (4160, 6924), (4616, 6240), (4992, 5770)]