689444280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1997}}^1$

素因数の和:2158

約数の個数: 192

約数和(自身を含む): 2580776640

約数和(自身を除く): 1891332360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 137, 140, 168, 180, 210, 252, 274, 280, 315, 360, 411, 420, 504, 548, 630, 685, 822, 840, 959, 1096, 1233, 1260, 1370, 1644, 1918, 1997, 2055, 2466, 2520, 2740, 2877, 3288, 3836, 3994, 4110, 4795, 4932, 5480, 5754, 5991, 6165, 7672, 7988, 8220, 8631, 9590, 9864, 9985, 11508, 11982, 12330, 13979, 14385, 15976, 16440, 17262, 17973, 19180, 19970, 23016, 23964, 24660, 27958, 28770, 29955, 34524, 35946, 38360, 39940, 41937, 43155, 47928, 49320, 55916, 57540, 59910, 69048, 69895, 71892, 79880, 83874, 86310, 89865, 111832, 115080, 119820, 125811, 139790, 143784, 167748, 172620, 179730, 209685, 239640, 251622, 273589, 279580, 335496, 345240, 359460, 419370, 503244, 547178, 559160, 629055, 718920, 820767, 838740, 1006488, 1094356, 1258110, 1367945, 1641534, 1677480, 1915123, 2188712, 2462301, 2516220, 2735890, 3283068, 3830246, 4103835, 4924602, 5032440, 5471780, 5745369, 6566136, 7660492, 8207670, 9575615, 9849204, 10943560, 11490738, 12311505, 15320984, 16415340, 17236107, 19151230, 19698408, 22981476, 24623010, 28726845, 32830680, 34472214, 38302460, 45962952, 49246020, 57453690, 68944428, 76604920, 86180535, 98492040, 114907380, 137888856, 172361070, 229814760, 344722140, 689444280]

約数ペア:

[(1, 689444280), (2, 344722140), (3, 229814760), (4, 172361070), (5, 137888856), (6, 114907380), (7, 98492040), (8, 86180535), (9, 76604920), (10, 68944428), (12, 57453690), (14, 49246020), (15, 45962952), (18, 38302460), (20, 34472214), (21, 32830680), (24, 28726845), (28, 24623010), (30, 22981476), (35, 19698408), (36, 19151230), (40, 17236107), (42, 16415340), (45, 15320984), (56, 12311505), (60, 11490738), (63, 10943560), (70, 9849204), (72, 9575615), (84, 8207670), (90, 7660492), (105, 6566136), (120, 5745369), (126, 5471780), (137, 5032440), (140, 4924602), (168, 4103835), (180, 3830246), (210, 3283068), (252, 2735890), (274, 2516220), (280, 2462301), (315, 2188712), (360, 1915123), (411, 1677480), (420, 1641534), (504, 1367945), (548, 1258110), (630, 1094356), (685, 1006488), (822, 838740), (840, 820767), (959, 718920), (1096, 629055), (1233, 559160), (1260, 547178), (1370, 503244), (1644, 419370), (1918, 359460), (1997, 345240), (2055, 335496), (2466, 279580), (2520, 273589), (2740, 251622), (2877, 239640), (3288, 209685), (3836, 179730), (3994, 172620), (4110, 167748), (4795, 143784), (4932, 139790), (5480, 125811), (5754, 119820), (5991, 115080), (6165, 111832), (7672, 89865), (7988, 86310), (8220, 83874), (8631, 79880), (9590, 71892), (9864, 69895), (9985, 69048), (11508, 59910), (11982, 57540), (12330, 55916), (13979, 49320), (14385, 47928), (15976, 43155), (16440, 41937), (17262, 39940), (17973, 38360), (19180, 35946), (19970, 34524), (23016, 29955), (23964, 28770), (24660, 27958)]