128211840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{22259}}^1$

素因数の和:22284

約数の個数: 96

約数和(自身を含む): 442751400

約数和(自身を除く): 314539560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 22259, 44518, 66777, 89036, 111295, 133554, 178072, 200331, 222590, 267108, 333885, 356144, 400662, 445180, 534216, 667770, 712288, 801324, 890360, 1001655, 1068432, 1335540, 1424576, 1602648, 1780720, 2003310, 2136864, 2671080, 2849152, 3205296, 3561440, 4006620, 4273728, 5342160, 6410592, 7122880, 8013240, 8547456, 10684320, 12821184, 14245760, 16026480, 21368640, 25642368, 32052960, 42737280, 64105920, 128211840]

約数ペア:

[(1, 128211840), (2, 64105920), (3, 42737280), (4, 32052960), (5, 25642368), (6, 21368640), (8, 16026480), (9, 14245760), (10, 12821184), (12, 10684320), (15, 8547456), (16, 8013240), (18, 7122880), (20, 6410592), (24, 5342160), (30, 4273728), (32, 4006620), (36, 3561440), (40, 3205296), (45, 2849152), (48, 2671080), (60, 2136864), (64, 2003310), (72, 1780720), (80, 1602648), (90, 1424576), (96, 1335540), (120, 1068432), (128, 1001655), (144, 890360), (160, 801324), (180, 712288), (192, 667770), (240, 534216), (288, 445180), (320, 400662), (360, 356144), (384, 333885), (480, 267108), (576, 222590), (640, 200331), (720, 178072), (960, 133554), (1152, 111295), (1440, 89036), (1920, 66777), (2880, 44518), (5760, 22259)]