161038080

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{1997}}^1$

素因数の和:2031

約数の個数: 216

約数和(自身を含む): 637090272

約数和(自身を除く): 476052192

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 1997, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 3994, 4032, 4480, 5040, 5376, 5760, 5991, 6720, 7988, 8064, 8960, 9985, 10080, 11520, 11982, 13440, 13979, 15976, 16128, 17973, 19970, 20160, 23964, 26880, 27958, 29955, 31952, 35946, 39940, 40320, 41937, 47928, 55916, 59910, 63904, 69895, 71892, 79880, 80640, 83874, 89865, 95856, 111832, 119820, 125811, 127808, 139790, 143784, 159760, 167748, 179730, 191712, 209685, 223664, 239640, 251622, 255616, 279580, 287568, 319520, 335496, 359460, 383424, 419370, 447328, 479280, 503244, 511232, 559160, 575136, 629055, 639040, 670992, 718920, 766848, 838740, 894656, 958560, 1006488, 1118320, 1150272, 1258110, 1278080, 1341984, 1437840, 1533696, 1677480, 1789312, 1917120, 2012976, 2236640, 2300544, 2516220, 2556160, 2683968, 2875680, 3354960, 3578624, 3834240, 4025952, 4473280, 4601088, 5032440, 5367936, 5751360, 6709920, 7668480, 8051904, 8946560, 10064880, 10735872, 11502720, 13419840, 16103808, 17893120, 20129760, 23005440, 26839680, 32207616, 40259520, 53679360, 80519040, 161038080]

約数ペア:

[(1, 161038080), (2, 80519040), (3, 53679360), (4, 40259520), (5, 32207616), (6, 26839680), (7, 23005440), (8, 20129760), (9, 17893120), (10, 16103808), (12, 13419840), (14, 11502720), (15, 10735872), (16, 10064880), (18, 8946560), (20, 8051904), (21, 7668480), (24, 6709920), (28, 5751360), (30, 5367936), (32, 5032440), (35, 4601088), (36, 4473280), (40, 4025952), (42, 3834240), (45, 3578624), (48, 3354960), (56, 2875680), (60, 2683968), (63, 2556160), (64, 2516220), (70, 2300544), (72, 2236640), (80, 2012976), (84, 1917120), (90, 1789312), (96, 1677480), (105, 1533696), (112, 1437840), (120, 1341984), (126, 1278080), (128, 1258110), (140, 1150272), (144, 1118320), (160, 1006488), (168, 958560), (180, 894656), (192, 838740), (210, 766848), (224, 718920), (240, 670992), (252, 639040), (256, 629055), (280, 575136), (288, 559160), (315, 511232), (320, 503244), (336, 479280), (360, 447328), (384, 419370), (420, 383424), (448, 359460), (480, 335496), (504, 319520), (560, 287568), (576, 279580), (630, 255616), (640, 251622), (672, 239640), (720, 223664), (768, 209685), (840, 191712), (896, 179730), (960, 167748), (1008, 159760), (1120, 143784), (1152, 139790), (1260, 127808), (1280, 125811), (1344, 119820), (1440, 111832), (1680, 95856), (1792, 89865), (1920, 83874), (1997, 80640), (2016, 79880), (2240, 71892), (2304, 69895), (2520, 63904), (2688, 59910), (2880, 55916), (3360, 47928), (3840, 41937), (3994, 40320), (4032, 39940), (4480, 35946), (5040, 31952), (5376, 29955), (5760, 27958), (5991, 26880), (6720, 23964), (7988, 20160), (8064, 19970), (8960, 17973), (9985, 16128), (10080, 15976), (11520, 13979), (11982, 13440)]