13831380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1787}}^1$

素因数の和:1845

約数の個数: 72

約数和(自身を含む): 42954912

約数和(自身を除く): 29123532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1787, 1935, 2580, 3574, 3870, 5361, 7148, 7740, 8935, 10722, 16083, 17870, 21444, 26805, 32166, 35740, 53610, 64332, 76841, 80415, 107220, 153682, 160830, 230523, 307364, 321660, 384205, 461046, 691569, 768410, 922092, 1152615, 1383138, 1536820, 2305230, 2766276, 3457845, 4610460, 6915690, 13831380]

約数ペア:

[(1, 13831380), (2, 6915690), (3, 4610460), (4, 3457845), (5, 2766276), (6, 2305230), (9, 1536820), (10, 1383138), (12, 1152615), (15, 922092), (18, 768410), (20, 691569), (30, 461046), (36, 384205), (43, 321660), (45, 307364), (60, 230523), (86, 160830), (90, 153682), (129, 107220), (172, 80415), (180, 76841), (215, 64332), (258, 53610), (387, 35740), (430, 32166), (516, 26805), (645, 21444), (774, 17870), (860, 16083), (1290, 10722), (1548, 8935), (1787, 7740), (1935, 7148), (2580, 5361), (3574, 3870)]