1988565120

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{115079}}^1$

素因数の和:115107

約数の個数: 128

約数和(自身を含む): 7042896000

約数和(自身を除く): 5054330880

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, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 115079, 230158, 345237, 460316, 575395, 690474, 920632, 1035711, 1150790, 1380948, 1726185, 1841264, 2071422, 2301580, 2761896, 3107133, 3452370, 3682528, 4142844, 4603160, 5178555, 5523792, 6214266, 6904740, 7365056, 8285688, 9206320, 10357110, 11047584, 12428532, 13809480, 14730112, 15535665, 16571376, 18412640, 20714220, 22095168, 24857064, 27618960, 31071330, 33142752, 36825280, 41428440, 44190336, 49714128, 55237920, 62142660, 66285504, 73650560, 82856880, 99428256, 110475840, 124285320, 132571008, 165713760, 198856512, 220951680, 248570640, 331427520, 397713024, 497141280, 662855040, 994282560, 1988565120]

約数ペア:

[(1, 1988565120), (2, 994282560), (3, 662855040), (4, 497141280), (5, 397713024), (6, 331427520), (8, 248570640), (9, 220951680), (10, 198856512), (12, 165713760), (15, 132571008), (16, 124285320), (18, 110475840), (20, 99428256), (24, 82856880), (27, 73650560), (30, 66285504), (32, 62142660), (36, 55237920), (40, 49714128), (45, 44190336), (48, 41428440), (54, 36825280), (60, 33142752), (64, 31071330), (72, 27618960), (80, 24857064), (90, 22095168), (96, 20714220), (108, 18412640), (120, 16571376), (128, 15535665), (135, 14730112), (144, 13809480), (160, 12428532), (180, 11047584), (192, 10357110), (216, 9206320), (240, 8285688), (270, 7365056), (288, 6904740), (320, 6214266), (360, 5523792), (384, 5178555), (432, 4603160), (480, 4142844), (540, 3682528), (576, 3452370), (640, 3107133), (720, 2761896), (864, 2301580), (960, 2071422), (1080, 1841264), (1152, 1726185), (1440, 1380948), (1728, 1150790), (1920, 1035711), (2160, 920632), (2880, 690474), (3456, 575395), (4320, 460316), (5760, 345237), (8640, 230158), (17280, 115079)]