138481920

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{4007}}^1$

素因数の和:4037

約数の個数: 144

約数和(自身を含む): 491541120

約数和(自身を除く): 353059200

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, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1728, 1920, 2160, 2304, 2880, 3456, 3840, 4007, 4320, 5760, 6912, 8014, 8640, 11520, 12021, 16028, 17280, 20035, 24042, 32056, 34560, 36063, 40070, 48084, 60105, 64112, 72126, 80140, 96168, 108189, 120210, 128224, 144252, 160280, 180315, 192336, 216378, 240420, 256448, 288504, 320560, 360630, 384672, 432756, 480840, 512896, 540945, 577008, 641120, 721260, 769344, 865512, 961680, 1025792, 1081890, 1154016, 1282240, 1442520, 1538688, 1731024, 1923360, 2163780, 2308032, 2564480, 2885040, 3077376, 3462048, 3846720, 4327560, 4616064, 5128960, 5770080, 6924096, 7693440, 8655120, 9232128, 11540160, 13848192, 15386880, 17310240, 23080320, 27696384, 34620480, 46160640, 69240960, 138481920]

約数ペア:

[(1, 138481920), (2, 69240960), (3, 46160640), (4, 34620480), (5, 27696384), (6, 23080320), (8, 17310240), (9, 15386880), (10, 13848192), (12, 11540160), (15, 9232128), (16, 8655120), (18, 7693440), (20, 6924096), (24, 5770080), (27, 5128960), (30, 4616064), (32, 4327560), (36, 3846720), (40, 3462048), (45, 3077376), (48, 2885040), (54, 2564480), (60, 2308032), (64, 2163780), (72, 1923360), (80, 1731024), (90, 1538688), (96, 1442520), (108, 1282240), (120, 1154016), (128, 1081890), (135, 1025792), (144, 961680), (160, 865512), (180, 769344), (192, 721260), (216, 641120), (240, 577008), (256, 540945), (270, 512896), (288, 480840), (320, 432756), (360, 384672), (384, 360630), (432, 320560), (480, 288504), (540, 256448), (576, 240420), (640, 216378), (720, 192336), (768, 180315), (864, 160280), (960, 144252), (1080, 128224), (1152, 120210), (1280, 108189), (1440, 96168), (1728, 80140), (1920, 72126), (2160, 64112), (2304, 60105), (2880, 48084), (3456, 40070), (3840, 36063), (4007, 34560), (4320, 32056), (5760, 24042), (6912, 20035), (8014, 17280), (8640, 16028), (11520, 12021)]