155531520

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:637

約数の個数: 216

約数和(自身を含む): 562476096

約数和(自身を除く): 406944576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 128, 138, 144, 160, 180, 184, 192, 207, 230, 240, 256, 276, 288, 320, 345, 360, 368, 384, 414, 460, 480, 552, 576, 587, 640, 690, 720, 736, 768, 828, 920, 960, 1035, 1104, 1152, 1174, 1280, 1380, 1440, 1472, 1656, 1761, 1840, 1920, 2070, 2208, 2304, 2348, 2760, 2880, 2935, 2944, 3312, 3522, 3680, 3840, 4140, 4416, 4696, 5283, 5520, 5760, 5870, 5888, 6624, 7044, 7360, 8280, 8805, 8832, 9392, 10566, 11040, 11520, 11740, 13248, 13501, 14088, 14720, 16560, 17610, 17664, 18784, 21132, 22080, 23480, 26415, 26496, 27002, 28176, 29440, 33120, 35220, 37568, 40503, 42264, 44160, 46960, 52830, 52992, 54004, 56352, 66240, 67505, 70440, 75136, 81006, 84528, 88320, 93920, 105660, 108008, 112704, 121509, 132480, 135010, 140880, 150272, 162012, 169056, 187840, 202515, 211320, 216016, 225408, 243018, 264960, 270020, 281760, 324024, 338112, 375680, 405030, 422640, 432032, 450816, 486036, 540040, 563520, 607545, 648048, 676224, 751360, 810060, 845280, 864064, 972072, 1080080, 1127040, 1215090, 1296096, 1352448, 1620120, 1690560, 1728128, 1944144, 2160160, 2254080, 2430180, 2592192, 3240240, 3381120, 3456256, 3888288, 4320320, 4860360, 5184384, 6480480, 6762240, 7776576, 8640640, 9720720, 10368768, 12960960, 15553152, 17281280, 19441440, 25921920, 31106304, 38882880, 51843840, 77765760, 155531520]

約数ペア:

[(1, 155531520), (2, 77765760), (3, 51843840), (4, 38882880), (5, 31106304), (6, 25921920), (8, 19441440), (9, 17281280), (10, 15553152), (12, 12960960), (15, 10368768), (16, 9720720), (18, 8640640), (20, 7776576), (23, 6762240), (24, 6480480), (30, 5184384), (32, 4860360), (36, 4320320), (40, 3888288), (45, 3456256), (46, 3381120), (48, 3240240), (60, 2592192), (64, 2430180), (69, 2254080), (72, 2160160), (80, 1944144), (90, 1728128), (92, 1690560), (96, 1620120), (115, 1352448), (120, 1296096), (128, 1215090), (138, 1127040), (144, 1080080), (160, 972072), (180, 864064), (184, 845280), (192, 810060), (207, 751360), (230, 676224), (240, 648048), (256, 607545), (276, 563520), (288, 540040), (320, 486036), (345, 450816), (360, 432032), (368, 422640), (384, 405030), (414, 375680), (460, 338112), (480, 324024), (552, 281760), (576, 270020), (587, 264960), (640, 243018), (690, 225408), (720, 216016), (736, 211320), (768, 202515), (828, 187840), (920, 169056), (960, 162012), (1035, 150272), (1104, 140880), (1152, 135010), (1174, 132480), (1280, 121509), (1380, 112704), (1440, 108008), (1472, 105660), (1656, 93920), (1761, 88320), (1840, 84528), (1920, 81006), (2070, 75136), (2208, 70440), (2304, 67505), (2348, 66240), (2760, 56352), (2880, 54004), (2935, 52992), (2944, 52830), (3312, 46960), (3522, 44160), (3680, 42264), (3840, 40503), (4140, 37568), (4416, 35220), (4696, 33120), (5283, 29440), (5520, 28176), (5760, 27002), (5870, 26496), (5888, 26415), (6624, 23480), (7044, 22080), (7360, 21132), (8280, 18784), (8805, 17664), (8832, 17610), (9392, 16560), (10566, 14720), (11040, 14088), (11520, 13501), (11740, 13248)]