1997471520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6637}}^1$

素因数の和:6688

約数の個数: 288

約数和(自身を含む): 7828591680

約数和(自身を除く): 5831120160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 30, 32, 33, 36, 38, 40, 44, 45, 48, 55, 57, 60, 66, 72, 76, 80, 88, 90, 95, 96, 99, 110, 114, 120, 132, 144, 152, 160, 165, 171, 176, 180, 190, 198, 209, 220, 228, 240, 264, 285, 288, 304, 330, 342, 352, 360, 380, 396, 418, 440, 456, 480, 495, 528, 570, 608, 627, 660, 684, 720, 760, 792, 836, 855, 880, 912, 990, 1045, 1056, 1140, 1254, 1320, 1368, 1440, 1520, 1584, 1672, 1710, 1760, 1824, 1881, 1980, 2090, 2280, 2508, 2640, 2736, 3040, 3135, 3168, 3344, 3420, 3762, 3960, 4180, 4560, 5016, 5280, 5472, 6270, 6637, 6688, 6840, 7524, 7920, 8360, 9120, 9405, 10032, 12540, 13274, 13680, 15048, 15840, 16720, 18810, 19911, 20064, 25080, 26548, 27360, 30096, 33185, 33440, 37620, 39822, 50160, 53096, 59733, 60192, 66370, 73007, 75240, 79644, 99555, 100320, 106192, 119466, 126103, 132740, 146014, 150480, 159288, 199110, 212384, 219021, 238932, 252206, 265480, 292028, 298665, 300960, 318576, 365035, 378309, 398220, 438042, 477864, 504412, 530960, 584056, 597330, 630515, 637152, 657063, 730070, 756618, 796440, 876084, 955728, 1008824, 1061920, 1095105, 1134927, 1168112, 1194660, 1261030, 1314126, 1387133, 1460140, 1513236, 1592880, 1752168, 1891545, 1911456, 2017648, 2190210, 2269854, 2336224, 2389320, 2522060, 2628252, 2774266, 2920280, 3026472, 3185760, 3285315, 3504336, 3783090, 4035296, 4161399, 4380420, 4539708, 4778640, 5044120, 5256504, 5548532, 5674635, 5840560, 6052944, 6570630, 6935665, 7008672, 7566180, 8322798, 8760840, 9079416, 9557280, 10088240, 10513008, 11097064, 11349270, 11681120, 12105888, 12484197, 13141260, 13871330, 15132360, 16645596, 17521680, 18158832, 20176480, 20806995, 21026016, 22194128, 22698540, 24968394, 26282520, 27742660, 30264720, 33291192, 35043360, 36317664, 41613990, 44388256, 45397080, 49936788, 52565040, 55485320, 60529440, 62420985, 66582384, 83227980, 90794160, 99873576, 105130080, 110970640, 124841970, 133164768, 166455960, 181588320, 199747152, 221941280, 249683940, 332911920, 399494304, 499367880, 665823840, 998735760, 1997471520]

約数ペア:

[(1, 1997471520), (2, 998735760), (3, 665823840), (4, 499367880), (5, 399494304), (6, 332911920), (8, 249683940), (9, 221941280), (10, 199747152), (11, 181588320), (12, 166455960), (15, 133164768), (16, 124841970), (18, 110970640), (19, 105130080), (20, 99873576), (22, 90794160), (24, 83227980), (30, 66582384), (32, 62420985), (33, 60529440), (36, 55485320), (38, 52565040), (40, 49936788), (44, 45397080), (45, 44388256), (48, 41613990), (55, 36317664), (57, 35043360), (60, 33291192), (66, 30264720), (72, 27742660), (76, 26282520), (80, 24968394), (88, 22698540), (90, 22194128), (95, 21026016), (96, 20806995), (99, 20176480), (110, 18158832), (114, 17521680), (120, 16645596), (132, 15132360), (144, 13871330), (152, 13141260), (160, 12484197), (165, 12105888), (171, 11681120), (176, 11349270), (180, 11097064), (190, 10513008), (198, 10088240), (209, 9557280), (220, 9079416), (228, 8760840), (240, 8322798), (264, 7566180), (285, 7008672), (288, 6935665), (304, 6570630), (330, 6052944), (342, 5840560), (352, 5674635), (360, 5548532), (380, 5256504), (396, 5044120), (418, 4778640), (440, 4539708), (456, 4380420), (480, 4161399), (495, 4035296), (528, 3783090), (570, 3504336), (608, 3285315), (627, 3185760), (660, 3026472), (684, 2920280), (720, 2774266), (760, 2628252), (792, 2522060), (836, 2389320), (855, 2336224), (880, 2269854), (912, 2190210), (990, 2017648), (1045, 1911456), (1056, 1891545), (1140, 1752168), (1254, 1592880), (1320, 1513236), (1368, 1460140), (1440, 1387133), (1520, 1314126), (1584, 1261030), (1672, 1194660), (1710, 1168112), (1760, 1134927), (1824, 1095105), (1881, 1061920), (1980, 1008824), (2090, 955728), (2280, 876084), (2508, 796440), (2640, 756618), (2736, 730070), (3040, 657063), (3135, 637152), (3168, 630515), (3344, 597330), (3420, 584056), (3762, 530960), (3960, 504412), (4180, 477864), (4560, 438042), (5016, 398220), (5280, 378309), (5472, 365035), (6270, 318576), (6637, 300960), (6688, 298665), (6840, 292028), (7524, 265480), (7920, 252206), (8360, 238932), (9120, 219021), (9405, 212384), (10032, 199110), (12540, 159288), (13274, 150480), (13680, 146014), (15048, 132740), (15840, 126103), (16720, 119466), (18810, 106192), (19911, 100320), (20064, 99555), (25080, 79644), (26548, 75240), (27360, 73007), (30096, 66370), (33185, 60192), (33440, 59733), (37620, 53096), (39822, 50160)]