660774240

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{21851}}^1$

素因数の和:21882

約数の個数: 192

約数和(自身を含む): 2643217920

約数和(自身を除く): 1982443680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 21851, 30240, 43702, 65553, 87404, 109255, 131106, 152957, 174808, 196659, 218510, 262212, 305914, 327765, 349616, 393318, 437020, 458871, 524424, 589977, 611828, 655530, 699232, 764785, 786636, 874040, 917742, 983295, 1048848, 1179954, 1223656, 1311060, 1376613, 1529570, 1573272, 1748080, 1835484, 1966590, 2097696, 2294355, 2359908, 2447312, 2622120, 2753226, 2949885, 3059140, 3146544, 3496160, 3670968, 3933180, 4129839, 4588710, 4719816, 4894624, 5244240, 5506452, 5899770, 6118280, 6293088, 6883065, 7341936, 7866360, 8259678, 9177420, 9439632, 10488480, 11012904, 11799540, 12236560, 13766130, 14683872, 15732720, 16519356, 18354840, 18879264, 20649195, 22025808, 23599080, 24473120, 27532260, 31465440, 33038712, 36709680, 41298390, 44051616, 47198160, 55064520, 66077424, 73419360, 82596780, 94396320, 110129040, 132154848, 165193560, 220258080, 330387120, 660774240]

約数ペア:

[(1, 660774240), (2, 330387120), (3, 220258080), (4, 165193560), (5, 132154848), (6, 110129040), (7, 94396320), (8, 82596780), (9, 73419360), (10, 66077424), (12, 55064520), (14, 47198160), (15, 44051616), (16, 41298390), (18, 36709680), (20, 33038712), (21, 31465440), (24, 27532260), (27, 24473120), (28, 23599080), (30, 22025808), (32, 20649195), (35, 18879264), (36, 18354840), (40, 16519356), (42, 15732720), (45, 14683872), (48, 13766130), (54, 12236560), (56, 11799540), (60, 11012904), (63, 10488480), (70, 9439632), (72, 9177420), (80, 8259678), (84, 7866360), (90, 7341936), (96, 6883065), (105, 6293088), (108, 6118280), (112, 5899770), (120, 5506452), (126, 5244240), (135, 4894624), (140, 4719816), (144, 4588710), (160, 4129839), (168, 3933180), (180, 3670968), (189, 3496160), (210, 3146544), (216, 3059140), (224, 2949885), (240, 2753226), (252, 2622120), (270, 2447312), (280, 2359908), (288, 2294355), (315, 2097696), (336, 1966590), (360, 1835484), (378, 1748080), (420, 1573272), (432, 1529570), (480, 1376613), (504, 1311060), (540, 1223656), (560, 1179954), (630, 1048848), (672, 983295), (720, 917742), (756, 874040), (840, 786636), (864, 764785), (945, 699232), (1008, 655530), (1080, 611828), (1120, 589977), (1260, 524424), (1440, 458871), (1512, 437020), (1680, 393318), (1890, 349616), (2016, 327765), (2160, 305914), (2520, 262212), (3024, 218510), (3360, 196659), (3780, 174808), (4320, 152957), (5040, 131106), (6048, 109255), (7560, 87404), (10080, 65553), (15120, 43702), (21851, 30240)]