12644340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{210739}}^1$

素因数の和:210751

約数の個数: 24

約数和(自身を含む): 35404320

約数和(自身を除く): 22759980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 210739, 421478, 632217, 842956, 1053695, 1264434, 2107390, 2528868, 3161085, 4214780, 6322170, 12644340]

約数ペア:

[(1, 12644340), (2, 6322170), (3, 4214780), (4, 3161085), (5, 2528868), (6, 2107390), (10, 1264434), (12, 1053695), (15, 842956), (20, 632217), (30, 421478), (60, 210739)]