12315820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 31026240

約数和(自身を除く): 18710420

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 37, 44, 55, 68, 74, 85, 89, 110, 148, 170, 178, 185, 187, 220, 340, 356, 370, 374, 407, 445, 629, 740, 748, 814, 890, 935, 979, 1258, 1513, 1628, 1780, 1870, 1958, 2035, 2516, 3026, 3145, 3293, 3740, 3916, 4070, 4895, 6052, 6290, 6586, 6919, 7565, 8140, 9790, 12580, 13172, 13838, 15130, 16465, 16643, 19580, 27676, 30260, 32930, 33286, 34595, 36223, 55981, 65860, 66572, 69190, 72446, 83215, 111962, 138380, 144892, 166430, 181115, 223924, 279905, 332860, 362230, 559810, 615791, 724460, 1119620, 1231582, 2463164, 3078955, 6157910, 12315820]

約数ペア:

[(1, 12315820), (2, 6157910), (4, 3078955), (5, 2463164), (10, 1231582), (11, 1119620), (17, 724460), (20, 615791), (22, 559810), (34, 362230), (37, 332860), (44, 279905), (55, 223924), (68, 181115), (74, 166430), (85, 144892), (89, 138380), (110, 111962), (148, 83215), (170, 72446), (178, 69190), (185, 66572), (187, 65860), (220, 55981), (340, 36223), (356, 34595), (370, 33286), (374, 32930), (407, 30260), (445, 27676), (629, 19580), (740, 16643), (748, 16465), (814, 15130), (890, 13838), (935, 13172), (979, 12580), (1258, 9790), (1513, 8140), (1628, 7565), (1780, 6919), (1870, 6586), (1958, 6290), (2035, 6052), (2516, 4895), (3026, 4070), (3145, 3916), (3293, 3740)]