2027880

素因数分解:

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

素因数の和:191

約数の個数: 96

約数和(自身を含む): 6795360

約数和(自身を除く): 4767480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 131, 172, 180, 215, 258, 262, 344, 360, 387, 393, 430, 516, 524, 645, 655, 774, 786, 860, 1032, 1048, 1179, 1290, 1310, 1548, 1572, 1720, 1935, 1965, 2358, 2580, 2620, 3096, 3144, 3870, 3930, 4716, 5160, 5240, 5633, 5895, 7740, 7860, 9432, 11266, 11790, 15480, 15720, 16899, 22532, 23580, 28165, 33798, 45064, 47160, 50697, 56330, 67596, 84495, 101394, 112660, 135192, 168990, 202788, 225320, 253485, 337980, 405576, 506970, 675960, 1013940, 2027880]

約数ペア:

[(1, 2027880), (2, 1013940), (3, 675960), (4, 506970), (5, 405576), (6, 337980), (8, 253485), (9, 225320), (10, 202788), (12, 168990), (15, 135192), (18, 112660), (20, 101394), (24, 84495), (30, 67596), (36, 56330), (40, 50697), (43, 47160), (45, 45064), (60, 33798), (72, 28165), (86, 23580), (90, 22532), (120, 16899), (129, 15720), (131, 15480), (172, 11790), (180, 11266), (215, 9432), (258, 7860), (262, 7740), (344, 5895), (360, 5633), (387, 5240), (393, 5160), (430, 4716), (516, 3930), (524, 3870), (645, 3144), (655, 3096), (774, 2620), (786, 2580), (860, 2358), (1032, 1965), (1048, 1935), (1179, 1720), (1290, 1572), (1310, 1548)]