1270720920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{1097}}^1$

素因数の和:1322

約数の個数: 192

約数和(自身を含む): 4461130080

約数和(自身を除く): 3190409160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 197, 210, 245, 280, 294, 392, 394, 420, 490, 588, 591, 735, 788, 840, 980, 985, 1097, 1176, 1182, 1379, 1470, 1576, 1960, 1970, 2194, 2364, 2758, 2940, 2955, 3291, 3940, 4137, 4388, 4728, 5485, 5516, 5880, 5910, 6582, 6895, 7679, 7880, 8274, 8776, 9653, 10970, 11032, 11820, 13164, 13790, 15358, 16455, 16548, 19306, 20685, 21940, 23037, 23640, 26328, 27580, 28959, 30716, 32910, 33096, 38395, 38612, 41370, 43880, 46074, 48265, 53753, 55160, 57918, 61432, 65820, 76790, 77224, 82740, 92148, 96530, 107506, 115185, 115836, 131640, 144795, 153580, 161259, 165480, 184296, 193060, 215012, 216109, 230370, 231672, 268765, 289590, 307160, 322518, 386120, 430024, 432218, 460740, 537530, 579180, 645036, 648327, 806295, 864436, 921480, 1075060, 1080545, 1158360, 1290072, 1296654, 1512763, 1612590, 1728872, 2150120, 2161090, 2593308, 3025526, 3225180, 3241635, 4322180, 4538289, 5186616, 6051052, 6450360, 6483270, 7563815, 8644360, 9076578, 10589341, 12102104, 12966540, 15127630, 18153156, 21178682, 22691445, 25933080, 30255260, 31768023, 36306312, 42357364, 45382890, 52946705, 60510520, 63536046, 84714728, 90765780, 105893410, 127072092, 158840115, 181531560, 211786820, 254144184, 317680230, 423573640, 635360460, 1270720920]

約数ペア:

[(1, 1270720920), (2, 635360460), (3, 423573640), (4, 317680230), (5, 254144184), (6, 211786820), (7, 181531560), (8, 158840115), (10, 127072092), (12, 105893410), (14, 90765780), (15, 84714728), (20, 63536046), (21, 60510520), (24, 52946705), (28, 45382890), (30, 42357364), (35, 36306312), (40, 31768023), (42, 30255260), (49, 25933080), (56, 22691445), (60, 21178682), (70, 18153156), (84, 15127630), (98, 12966540), (105, 12102104), (120, 10589341), (140, 9076578), (147, 8644360), (168, 7563815), (196, 6483270), (197, 6450360), (210, 6051052), (245, 5186616), (280, 4538289), (294, 4322180), (392, 3241635), (394, 3225180), (420, 3025526), (490, 2593308), (588, 2161090), (591, 2150120), (735, 1728872), (788, 1612590), (840, 1512763), (980, 1296654), (985, 1290072), (1097, 1158360), (1176, 1080545), (1182, 1075060), (1379, 921480), (1470, 864436), (1576, 806295), (1960, 648327), (1970, 645036), (2194, 579180), (2364, 537530), (2758, 460740), (2940, 432218), (2955, 430024), (3291, 386120), (3940, 322518), (4137, 307160), (4388, 289590), (4728, 268765), (5485, 231672), (5516, 230370), (5880, 216109), (5910, 215012), (6582, 193060), (6895, 184296), (7679, 165480), (7880, 161259), (8274, 153580), (8776, 144795), (9653, 131640), (10970, 115836), (11032, 115185), (11820, 107506), (13164, 96530), (13790, 92148), (15358, 82740), (16455, 77224), (16548, 76790), (19306, 65820), (20685, 61432), (21940, 57918), (23037, 55160), (23640, 53753), (26328, 48265), (27580, 46074), (28959, 43880), (30716, 41370), (32910, 38612), (33096, 38395)]