754127640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{42751}}^1$

素因数の和:42782

約数の個数: 144

約数和(自身を含む): 2851130880

約数和(自身を除く): 2097003240

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, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 42751, 85502, 128253, 171004, 213755, 256506, 299257, 342008, 384759, 427510, 513012, 598514, 641265, 769518, 855020, 897771, 1026024, 1197028, 1282530, 1496285, 1539036, 1710040, 1795542, 1923795, 2094799, 2394056, 2565060, 2693313, 2992570, 3078072, 3591084, 3847590, 4189598, 4488855, 5130120, 5386626, 5985140, 6284397, 7182168, 7695180, 8379196, 8977710, 10473995, 10773252, 11970280, 12568794, 13466565, 15390360, 16758392, 17955420, 18853191, 20947990, 21546504, 25137588, 26933130, 31421985, 35910840, 37706382, 41895980, 50275176, 53866260, 62843970, 75412764, 83791960, 94265955, 107732520, 125687940, 150825528, 188531910, 251375880, 377063820, 754127640]

約数ペア:

[(1, 754127640), (2, 377063820), (3, 251375880), (4, 188531910), (5, 150825528), (6, 125687940), (7, 107732520), (8, 94265955), (9, 83791960), (10, 75412764), (12, 62843970), (14, 53866260), (15, 50275176), (18, 41895980), (20, 37706382), (21, 35910840), (24, 31421985), (28, 26933130), (30, 25137588), (35, 21546504), (36, 20947990), (40, 18853191), (42, 17955420), (45, 16758392), (49, 15390360), (56, 13466565), (60, 12568794), (63, 11970280), (70, 10773252), (72, 10473995), (84, 8977710), (90, 8379196), (98, 7695180), (105, 7182168), (120, 6284397), (126, 5985140), (140, 5386626), (147, 5130120), (168, 4488855), (180, 4189598), (196, 3847590), (210, 3591084), (245, 3078072), (252, 2992570), (280, 2693313), (294, 2565060), (315, 2394056), (360, 2094799), (392, 1923795), (420, 1795542), (441, 1710040), (490, 1539036), (504, 1496285), (588, 1282530), (630, 1197028), (735, 1026024), (840, 897771), (882, 855020), (980, 769518), (1176, 641265), (1260, 598514), (1470, 513012), (1764, 427510), (1960, 384759), (2205, 342008), (2520, 299257), (2940, 256506), (3528, 213755), (4410, 171004), (5880, 128253), (8820, 85502), (17640, 42751)]