128160900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{6781}}^1$

素因数の和:6811

約数の個数: 144

約数和(自身を含む): 470942080

約数和(自身を除く): 342781180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1260, 1350, 1575, 1890, 2100, 2700, 3150, 3780, 4725, 6300, 6781, 9450, 13562, 18900, 20343, 27124, 33905, 40686, 47467, 61029, 67810, 81372, 94934, 101715, 122058, 135620, 142401, 169525, 183087, 189868, 203430, 237335, 244116, 284802, 305145, 339050, 366174, 406860, 427203, 474670, 508575, 569604, 610290, 678100, 712005, 732348, 854406, 915435, 949340, 1017150, 1186675, 1220580, 1281609, 1424010, 1525725, 1708812, 1830870, 2034300, 2136015, 2373350, 2563218, 2848020, 3051450, 3560025, 3661740, 4272030, 4577175, 4746700, 5126436, 6102900, 6408045, 7120050, 8544060, 9154350, 10680075, 12816090, 14240100, 18308700, 21360150, 25632180, 32040225, 42720300, 64080450, 128160900]

約数ペア:

[(1, 128160900), (2, 64080450), (3, 42720300), (4, 32040225), (5, 25632180), (6, 21360150), (7, 18308700), (9, 14240100), (10, 12816090), (12, 10680075), (14, 9154350), (15, 8544060), (18, 7120050), (20, 6408045), (21, 6102900), (25, 5126436), (27, 4746700), (28, 4577175), (30, 4272030), (35, 3661740), (36, 3560025), (42, 3051450), (45, 2848020), (50, 2563218), (54, 2373350), (60, 2136015), (63, 2034300), (70, 1830870), (75, 1708812), (84, 1525725), (90, 1424010), (100, 1281609), (105, 1220580), (108, 1186675), (126, 1017150), (135, 949340), (140, 915435), (150, 854406), (175, 732348), (180, 712005), (189, 678100), (210, 610290), (225, 569604), (252, 508575), (270, 474670), (300, 427203), (315, 406860), (350, 366174), (378, 339050), (420, 305145), (450, 284802), (525, 244116), (540, 237335), (630, 203430), (675, 189868), (700, 183087), (756, 169525), (900, 142401), (945, 135620), (1050, 122058), (1260, 101715), (1350, 94934), (1575, 81372), (1890, 67810), (2100, 61029), (2700, 47467), (3150, 40686), (3780, 33905), (4725, 27124), (6300, 20343), (6781, 18900), (9450, 13562)]