312434640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{61991}}^1$

素因数の和:62017

約数の個数: 120

約数和(自身を含む): 1199173248

約数和(自身を除く): 886738608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 61991, 123982, 185973, 247964, 309955, 371946, 433937, 495928, 557919, 619910, 743892, 867874, 929865, 991856, 1115838, 1239820, 1301811, 1487784, 1735748, 1859730, 2169685, 2231676, 2479640, 2603622, 2789595, 2975568, 3471496, 3719460, 3905433, 4339370, 4463352, 4959280, 5207244, 5579190, 6509055, 6942992, 7438920, 7810866, 8678740, 8926704, 10414488, 11158380, 13018110, 14877840, 15621732, 17357480, 19527165, 20828976, 22316760, 26036220, 31243464, 34714960, 39054330, 44633520, 52072440, 62486928, 78108660, 104144880, 156217320, 312434640]

約数ペア:

[(1, 312434640), (2, 156217320), (3, 104144880), (4, 78108660), (5, 62486928), (6, 52072440), (7, 44633520), (8, 39054330), (9, 34714960), (10, 31243464), (12, 26036220), (14, 22316760), (15, 20828976), (16, 19527165), (18, 17357480), (20, 15621732), (21, 14877840), (24, 13018110), (28, 11158380), (30, 10414488), (35, 8926704), (36, 8678740), (40, 7810866), (42, 7438920), (45, 6942992), (48, 6509055), (56, 5579190), (60, 5207244), (63, 4959280), (70, 4463352), (72, 4339370), (80, 3905433), (84, 3719460), (90, 3471496), (105, 2975568), (112, 2789595), (120, 2603622), (126, 2479640), (140, 2231676), (144, 2169685), (168, 1859730), (180, 1735748), (210, 1487784), (240, 1301811), (252, 1239820), (280, 1115838), (315, 991856), (336, 929865), (360, 867874), (420, 743892), (504, 619910), (560, 557919), (630, 495928), (720, 433937), (840, 371946), (1008, 309955), (1260, 247964), (1680, 185973), (2520, 123982), (5040, 61991)]