1720807680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3271}}^1$

素因数の和:3432

約数の個数: 144

約数和(自身を含む): 5537637504

約数和(自身を除く): 3816829824

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, 137, 160, 192, 240, 256, 274, 320, 384, 411, 480, 548, 640, 685, 768, 822, 960, 1096, 1280, 1370, 1644, 1920, 2055, 2192, 2740, 3271, 3288, 3840, 4110, 4384, 5480, 6542, 6576, 8220, 8768, 9813, 10960, 13084, 13152, 16355, 16440, 17536, 19626, 21920, 26168, 26304, 32710, 32880, 35072, 39252, 43840, 49065, 52336, 52608, 65420, 65760, 78504, 87680, 98130, 104672, 105216, 130840, 131520, 157008, 175360, 196260, 209344, 261680, 263040, 314016, 392520, 418688, 448127, 523360, 526080, 628032, 785040, 837376, 896254, 1046720, 1256064, 1344381, 1570080, 1792508, 2093440, 2240635, 2512128, 2688762, 3140160, 3585016, 4186880, 4481270, 5377524, 6280320, 6721905, 7170032, 8962540, 10755048, 12560640, 13443810, 14340064, 17925080, 21510096, 26887620, 28680128, 35850160, 43020192, 53775240, 57360256, 71700320, 86040384, 107550480, 114720512, 143400640, 172080768, 215100960, 286801280, 344161536, 430201920, 573602560, 860403840, 1720807680]

約数ペア:

[(1, 1720807680), (2, 860403840), (3, 573602560), (4, 430201920), (5, 344161536), (6, 286801280), (8, 215100960), (10, 172080768), (12, 143400640), (15, 114720512), (16, 107550480), (20, 86040384), (24, 71700320), (30, 57360256), (32, 53775240), (40, 43020192), (48, 35850160), (60, 28680128), (64, 26887620), (80, 21510096), (96, 17925080), (120, 14340064), (128, 13443810), (137, 12560640), (160, 10755048), (192, 8962540), (240, 7170032), (256, 6721905), (274, 6280320), (320, 5377524), (384, 4481270), (411, 4186880), (480, 3585016), (548, 3140160), (640, 2688762), (685, 2512128), (768, 2240635), (822, 2093440), (960, 1792508), (1096, 1570080), (1280, 1344381), (1370, 1256064), (1644, 1046720), (1920, 896254), (2055, 837376), (2192, 785040), (2740, 628032), (3271, 526080), (3288, 523360), (3840, 448127), (4110, 418688), (4384, 392520), (5480, 314016), (6542, 263040), (6576, 261680), (8220, 209344), (8768, 196260), (9813, 175360), (10960, 157008), (13084, 131520), (13152, 130840), (16355, 105216), (16440, 104672), (17536, 98130), (19626, 87680), (21920, 78504), (26168, 65760), (26304, 65420), (32710, 52608), (32880, 52336), (35072, 49065), (39252, 43840)]