311281920

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{9007}}^1$

素因数の和:9037

約数の個数: 144

約数和(自身を含む): 1104741120

約数和(自身を除く): 793459200

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, 4320, 5760, 6912, 8640, 9007, 11520, 17280, 18014, 27021, 34560, 36028, 45035, 54042, 72056, 81063, 90070, 108084, 135105, 144112, 162126, 180140, 216168, 243189, 270210, 288224, 324252, 360280, 405315, 432336, 486378, 540420, 576448, 648504, 720560, 810630, 864672, 972756, 1080840, 1152896, 1215945, 1297008, 1441120, 1621260, 1729344, 1945512, 2161680, 2305792, 2431890, 2594016, 2882240, 3242520, 3458688, 3891024, 4323360, 4863780, 5188032, 5764480, 6485040, 6917376, 7782048, 8646720, 9727560, 10376064, 11528960, 12970080, 15564096, 17293440, 19455120, 20752128, 25940160, 31128192, 34586880, 38910240, 51880320, 62256384, 77820480, 103760640, 155640960, 311281920]

約数ペア:

[(1, 311281920), (2, 155640960), (3, 103760640), (4, 77820480), (5, 62256384), (6, 51880320), (8, 38910240), (9, 34586880), (10, 31128192), (12, 25940160), (15, 20752128), (16, 19455120), (18, 17293440), (20, 15564096), (24, 12970080), (27, 11528960), (30, 10376064), (32, 9727560), (36, 8646720), (40, 7782048), (45, 6917376), (48, 6485040), (54, 5764480), (60, 5188032), (64, 4863780), (72, 4323360), (80, 3891024), (90, 3458688), (96, 3242520), (108, 2882240), (120, 2594016), (128, 2431890), (135, 2305792), (144, 2161680), (160, 1945512), (180, 1729344), (192, 1621260), (216, 1441120), (240, 1297008), (256, 1215945), (270, 1152896), (288, 1080840), (320, 972756), (360, 864672), (384, 810630), (432, 720560), (480, 648504), (540, 576448), (576, 540420), (640, 486378), (720, 432336), (768, 405315), (864, 360280), (960, 324252), (1080, 288224), (1152, 270210), (1280, 243189), (1440, 216168), (1728, 180140), (1920, 162126), (2160, 144112), (2304, 135105), (2880, 108084), (3456, 90070), (3840, 81063), (4320, 72056), (5760, 54042), (6912, 45035), (8640, 36028), (9007, 34560), (11520, 27021), (17280, 18014)]