81866160

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:424

約数の個数: 160

約数和(自身を含む): 284981760

約数和(自身を除く): 203115600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 151, 180, 216, 240, 251, 270, 302, 360, 432, 453, 502, 540, 604, 720, 753, 755, 906, 1004, 1080, 1208, 1255, 1359, 1506, 1510, 1812, 2008, 2160, 2259, 2265, 2416, 2510, 2718, 3012, 3020, 3624, 3765, 4016, 4077, 4518, 4530, 5020, 5436, 6024, 6040, 6777, 6795, 7248, 7530, 8154, 9036, 9060, 10040, 10872, 11295, 12048, 12080, 13554, 13590, 15060, 16308, 18072, 18120, 20080, 20385, 21744, 22590, 27108, 27180, 30120, 32616, 33885, 36144, 36240, 37901, 40770, 45180, 54216, 54360, 60240, 65232, 67770, 75802, 81540, 90360, 108432, 108720, 113703, 135540, 151604, 163080, 180720, 189505, 227406, 271080, 303208, 326160, 341109, 379010, 454812, 542160, 568515, 606416, 682218, 758020, 909624, 1023327, 1137030, 1364436, 1516040, 1705545, 1819248, 2046654, 2274060, 2728872, 3032080, 3411090, 4093308, 4548120, 5116635, 5457744, 6822180, 8186616, 9096240, 10233270, 13644360, 16373232, 20466540, 27288720, 40933080, 81866160]

約数ペア:

[(1, 81866160), (2, 40933080), (3, 27288720), (4, 20466540), (5, 16373232), (6, 13644360), (8, 10233270), (9, 9096240), (10, 8186616), (12, 6822180), (15, 5457744), (16, 5116635), (18, 4548120), (20, 4093308), (24, 3411090), (27, 3032080), (30, 2728872), (36, 2274060), (40, 2046654), (45, 1819248), (48, 1705545), (54, 1516040), (60, 1364436), (72, 1137030), (80, 1023327), (90, 909624), (108, 758020), (120, 682218), (135, 606416), (144, 568515), (151, 542160), (180, 454812), (216, 379010), (240, 341109), (251, 326160), (270, 303208), (302, 271080), (360, 227406), (432, 189505), (453, 180720), (502, 163080), (540, 151604), (604, 135540), (720, 113703), (753, 108720), (755, 108432), (906, 90360), (1004, 81540), (1080, 75802), (1208, 67770), (1255, 65232), (1359, 60240), (1506, 54360), (1510, 54216), (1812, 45180), (2008, 40770), (2160, 37901), (2259, 36240), (2265, 36144), (2416, 33885), (2510, 32616), (2718, 30120), (3012, 27180), (3020, 27108), (3624, 22590), (3765, 21744), (4016, 20385), (4077, 20080), (4518, 18120), (4530, 18072), (5020, 16308), (5436, 15060), (6024, 13590), (6040, 13554), (6777, 12080), (6795, 12048), (7248, 11295), (7530, 10872), (8154, 10040), (9036, 9060)]