128770380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:316

約数の個数: 144

約数和(自身を含む): 405909504

約数和(自身を除く): 277139124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 127, 129, 131, 172, 180, 215, 254, 258, 262, 381, 387, 393, 430, 508, 516, 524, 635, 645, 655, 762, 774, 786, 860, 1143, 1179, 1270, 1290, 1310, 1524, 1548, 1572, 1905, 1935, 1965, 2286, 2358, 2540, 2580, 2620, 3810, 3870, 3930, 4572, 4716, 5461, 5633, 5715, 5895, 7620, 7740, 7860, 10922, 11266, 11430, 11790, 16383, 16637, 16899, 21844, 22532, 22860, 23580, 27305, 28165, 32766, 33274, 33798, 49149, 49911, 50697, 54610, 56330, 65532, 66548, 67596, 81915, 83185, 84495, 98298, 99822, 101394, 109220, 112660, 149733, 163830, 166370, 168990, 196596, 199644, 202788, 245745, 249555, 253485, 299466, 327660, 332740, 337980, 491490, 499110, 506970, 598932, 715391, 748665, 982980, 998220, 1013940, 1430782, 1497330, 2146173, 2861564, 2994660, 3576955, 4292346, 6438519, 7153910, 8584692, 10730865, 12877038, 14307820, 21461730, 25754076, 32192595, 42923460, 64385190, 128770380]

約数ペア:

[(1, 128770380), (2, 64385190), (3, 42923460), (4, 32192595), (5, 25754076), (6, 21461730), (9, 14307820), (10, 12877038), (12, 10730865), (15, 8584692), (18, 7153910), (20, 6438519), (30, 4292346), (36, 3576955), (43, 2994660), (45, 2861564), (60, 2146173), (86, 1497330), (90, 1430782), (127, 1013940), (129, 998220), (131, 982980), (172, 748665), (180, 715391), (215, 598932), (254, 506970), (258, 499110), (262, 491490), (381, 337980), (387, 332740), (393, 327660), (430, 299466), (508, 253485), (516, 249555), (524, 245745), (635, 202788), (645, 199644), (655, 196596), (762, 168990), (774, 166370), (786, 163830), (860, 149733), (1143, 112660), (1179, 109220), (1270, 101394), (1290, 99822), (1310, 98298), (1524, 84495), (1548, 83185), (1572, 81915), (1905, 67596), (1935, 66548), (1965, 65532), (2286, 56330), (2358, 54610), (2540, 50697), (2580, 49911), (2620, 49149), (3810, 33798), (3870, 33274), (3930, 32766), (4572, 28165), (4716, 27305), (5461, 23580), (5633, 22860), (5715, 22532), (5895, 21844), (7620, 16899), (7740, 16637), (7860, 16383), (10922, 11790), (11266, 11430)]