1013940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 3171168

約数和(自身を除く): 2157228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 131, 172, 180, 215, 258, 262, 387, 393, 430, 516, 524, 645, 655, 774, 786, 860, 1179, 1290, 1310, 1548, 1572, 1935, 1965, 2358, 2580, 2620, 3870, 3930, 4716, 5633, 5895, 7740, 7860, 11266, 11790, 16899, 22532, 23580, 28165, 33798, 50697, 56330, 67596, 84495, 101394, 112660, 168990, 202788, 253485, 337980, 506970, 1013940]

約数ペア:

[(1, 1013940), (2, 506970), (3, 337980), (4, 253485), (5, 202788), (6, 168990), (9, 112660), (10, 101394), (12, 84495), (15, 67596), (18, 56330), (20, 50697), (30, 33798), (36, 28165), (43, 23580), (45, 22532), (60, 16899), (86, 11790), (90, 11266), (129, 7860), (131, 7740), (172, 5895), (180, 5633), (215, 4716), (258, 3930), (262, 3870), (387, 2620), (393, 2580), (430, 2358), (516, 1965), (524, 1935), (645, 1572), (655, 1548), (774, 1310), (786, 1290), (860, 1179)]