1991710080

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1459}}^1$

素因数の和:1566

約数の個数: 256

約数和(自身を含む): 7148160000

約数和(自身を除く): 5156449920

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, 79, 80, 90, 96, 108, 120, 128, 135, 144, 158, 160, 180, 192, 216, 237, 240, 270, 288, 316, 320, 360, 384, 395, 432, 474, 480, 540, 576, 632, 640, 711, 720, 790, 864, 948, 960, 1080, 1152, 1185, 1264, 1422, 1440, 1459, 1580, 1728, 1896, 1920, 2133, 2160, 2370, 2528, 2844, 2880, 2918, 3160, 3456, 3555, 3792, 4266, 4320, 4377, 4740, 5056, 5688, 5760, 5836, 6320, 7110, 7295, 7584, 8532, 8640, 8754, 9480, 10112, 10665, 11376, 11672, 12640, 13131, 14220, 14590, 15168, 17064, 17280, 17508, 18960, 21330, 21885, 22752, 23344, 25280, 26262, 28440, 29180, 30336, 34128, 35016, 37920, 39393, 42660, 43770, 45504, 46688, 50560, 52524, 56880, 58360, 65655, 68256, 70032, 75840, 78786, 85320, 87540, 91008, 93376, 105048, 113760, 115261, 116720, 131310, 136512, 140064, 151680, 157572, 170640, 175080, 186752, 196965, 210096, 227520, 230522, 233440, 262620, 273024, 280128, 315144, 341280, 345783, 350160, 393930, 420192, 455040, 461044, 466880, 525240, 560256, 576305, 630288, 682560, 691566, 700320, 787860, 840384, 922088, 933760, 1037349, 1050480, 1152610, 1260576, 1365120, 1383132, 1400640, 1575720, 1680768, 1728915, 1844176, 2074698, 2100960, 2305220, 2521152, 2766264, 2801280, 3112047, 3151440, 3457830, 3688352, 4149396, 4201920, 4610440, 5042304, 5186745, 5532528, 6224094, 6302880, 6915660, 7376704, 8298792, 8403840, 9220880, 10373490, 11065056, 12448188, 12605760, 13831320, 14753408, 15560235, 16597584, 18441760, 20746980, 22130112, 24896376, 25211520, 27662640, 31120470, 33195168, 36883520, 41493960, 44260224, 49792752, 55325280, 62240940, 66390336, 73767040, 82987920, 99585504, 110650560, 124481880, 132780672, 165975840, 199171008, 221301120, 248963760, 331951680, 398342016, 497927520, 663903360, 995855040, 1991710080]

約数ペア:

[(1, 1991710080), (2, 995855040), (3, 663903360), (4, 497927520), (5, 398342016), (6, 331951680), (8, 248963760), (9, 221301120), (10, 199171008), (12, 165975840), (15, 132780672), (16, 124481880), (18, 110650560), (20, 99585504), (24, 82987920), (27, 73767040), (30, 66390336), (32, 62240940), (36, 55325280), (40, 49792752), (45, 44260224), (48, 41493960), (54, 36883520), (60, 33195168), (64, 31120470), (72, 27662640), (79, 25211520), (80, 24896376), (90, 22130112), (96, 20746980), (108, 18441760), (120, 16597584), (128, 15560235), (135, 14753408), (144, 13831320), (158, 12605760), (160, 12448188), (180, 11065056), (192, 10373490), (216, 9220880), (237, 8403840), (240, 8298792), (270, 7376704), (288, 6915660), (316, 6302880), (320, 6224094), (360, 5532528), (384, 5186745), (395, 5042304), (432, 4610440), (474, 4201920), (480, 4149396), (540, 3688352), (576, 3457830), (632, 3151440), (640, 3112047), (711, 2801280), (720, 2766264), (790, 2521152), (864, 2305220), (948, 2100960), (960, 2074698), (1080, 1844176), (1152, 1728915), (1185, 1680768), (1264, 1575720), (1422, 1400640), (1440, 1383132), (1459, 1365120), (1580, 1260576), (1728, 1152610), (1896, 1050480), (1920, 1037349), (2133, 933760), (2160, 922088), (2370, 840384), (2528, 787860), (2844, 700320), (2880, 691566), (2918, 682560), (3160, 630288), (3456, 576305), (3555, 560256), (3792, 525240), (4266, 466880), (4320, 461044), (4377, 455040), (4740, 420192), (5056, 393930), (5688, 350160), (5760, 345783), (5836, 341280), (6320, 315144), (7110, 280128), (7295, 273024), (7584, 262620), (8532, 233440), (8640, 230522), (8754, 227520), (9480, 210096), (10112, 196965), (10665, 186752), (11376, 175080), (11672, 170640), (12640, 157572), (13131, 151680), (14220, 140064), (14590, 136512), (15168, 131310), (17064, 116720), (17280, 115261), (17508, 113760), (18960, 105048), (21330, 93376), (21885, 91008), (22752, 87540), (23344, 85320), (25280, 78786), (26262, 75840), (28440, 70032), (29180, 68256), (30336, 65655), (34128, 58360), (35016, 56880), (37920, 52524), (39393, 50560), (42660, 46688), (43770, 45504)]