128386080

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:400

約数の個数: 192

約数和(自身を含む): 455051520

約数和(自身を除く): 326665440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 113, 120, 135, 144, 160, 180, 216, 226, 240, 263, 270, 288, 339, 360, 432, 452, 480, 526, 540, 565, 678, 720, 789, 864, 904, 1017, 1052, 1080, 1130, 1315, 1356, 1440, 1578, 1695, 1808, 2034, 2104, 2160, 2260, 2367, 2630, 2712, 3051, 3156, 3390, 3616, 3945, 4068, 4208, 4320, 4520, 4734, 5085, 5260, 5424, 6102, 6312, 6780, 7101, 7890, 8136, 8416, 9040, 9468, 10170, 10520, 10848, 11835, 12204, 12624, 13560, 14202, 15255, 15780, 16272, 18080, 18936, 20340, 21040, 23670, 24408, 25248, 27120, 28404, 29719, 30510, 31560, 32544, 35505, 37872, 40680, 42080, 47340, 48816, 54240, 56808, 59438, 61020, 63120, 71010, 75744, 81360, 89157, 94680, 97632, 113616, 118876, 122040, 126240, 142020, 148595, 162720, 178314, 189360, 227232, 237752, 244080, 267471, 284040, 297190, 356628, 378720, 445785, 475504, 488160, 534942, 568080, 594380, 713256, 802413, 891570, 951008, 1069884, 1136160, 1188760, 1337355, 1426512, 1604826, 1783140, 2139768, 2377520, 2674710, 2853024, 3209652, 3566280, 4012065, 4279536, 4755040, 5349420, 6419304, 7132560, 8024130, 8559072, 10698840, 12838608, 14265120, 16048260, 21397680, 25677216, 32096520, 42795360, 64193040, 128386080]

約数ペア:

[(1, 128386080), (2, 64193040), (3, 42795360), (4, 32096520), (5, 25677216), (6, 21397680), (8, 16048260), (9, 14265120), (10, 12838608), (12, 10698840), (15, 8559072), (16, 8024130), (18, 7132560), (20, 6419304), (24, 5349420), (27, 4755040), (30, 4279536), (32, 4012065), (36, 3566280), (40, 3209652), (45, 2853024), (48, 2674710), (54, 2377520), (60, 2139768), (72, 1783140), (80, 1604826), (90, 1426512), (96, 1337355), (108, 1188760), (113, 1136160), (120, 1069884), (135, 951008), (144, 891570), (160, 802413), (180, 713256), (216, 594380), (226, 568080), (240, 534942), (263, 488160), (270, 475504), (288, 445785), (339, 378720), (360, 356628), (432, 297190), (452, 284040), (480, 267471), (526, 244080), (540, 237752), (565, 227232), (678, 189360), (720, 178314), (789, 162720), (864, 148595), (904, 142020), (1017, 126240), (1052, 122040), (1080, 118876), (1130, 113616), (1315, 97632), (1356, 94680), (1440, 89157), (1578, 81360), (1695, 75744), (1808, 71010), (2034, 63120), (2104, 61020), (2160, 59438), (2260, 56808), (2367, 54240), (2630, 48816), (2712, 47340), (3051, 42080), (3156, 40680), (3390, 37872), (3616, 35505), (3945, 32544), (4068, 31560), (4208, 30510), (4320, 29719), (4520, 28404), (4734, 27120), (5085, 25248), (5260, 24408), (5424, 23670), (6102, 21040), (6312, 20340), (6780, 18936), (7101, 18080), (7890, 16272), (8136, 15780), (8416, 15255), (9040, 14202), (9468, 13560), (10170, 12624), (10520, 12204), (10848, 11835)]