51547020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:312

約数の個数: 144

約数和(自身を含む): 170644320

約数和(自身を除く): 119097300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 89, 98, 105, 140, 147, 178, 196, 197, 210, 245, 267, 294, 356, 394, 420, 445, 490, 534, 588, 591, 623, 735, 788, 890, 980, 985, 1068, 1182, 1246, 1335, 1379, 1470, 1780, 1869, 1970, 2364, 2492, 2670, 2758, 2940, 2955, 3115, 3738, 3940, 4137, 4361, 5340, 5516, 5910, 6230, 6895, 7476, 8274, 8722, 9345, 9653, 11820, 12460, 13083, 13790, 16548, 17444, 17533, 18690, 19306, 20685, 21805, 26166, 27580, 28959, 35066, 37380, 38612, 41370, 43610, 48265, 52332, 52599, 57918, 65415, 70132, 82740, 87220, 87665, 96530, 105198, 115836, 122731, 130830, 144795, 175330, 193060, 210396, 245462, 261660, 262995, 289590, 350660, 368193, 490924, 525990, 579180, 613655, 736386, 859117, 1051980, 1227310, 1472772, 1718234, 1840965, 2454620, 2577351, 3436468, 3681930, 4295585, 5154702, 7363860, 8591170, 10309404, 12886755, 17182340, 25773510, 51547020]

約数ペア:

[(1, 51547020), (2, 25773510), (3, 17182340), (4, 12886755), (5, 10309404), (6, 8591170), (7, 7363860), (10, 5154702), (12, 4295585), (14, 3681930), (15, 3436468), (20, 2577351), (21, 2454620), (28, 1840965), (30, 1718234), (35, 1472772), (42, 1227310), (49, 1051980), (60, 859117), (70, 736386), (84, 613655), (89, 579180), (98, 525990), (105, 490924), (140, 368193), (147, 350660), (178, 289590), (196, 262995), (197, 261660), (210, 245462), (245, 210396), (267, 193060), (294, 175330), (356, 144795), (394, 130830), (420, 122731), (445, 115836), (490, 105198), (534, 96530), (588, 87665), (591, 87220), (623, 82740), (735, 70132), (788, 65415), (890, 57918), (980, 52599), (985, 52332), (1068, 48265), (1182, 43610), (1246, 41370), (1335, 38612), (1379, 37380), (1470, 35066), (1780, 28959), (1869, 27580), (1970, 26166), (2364, 21805), (2492, 20685), (2670, 19306), (2758, 18690), (2940, 17533), (2955, 17444), (3115, 16548), (3738, 13790), (3940, 13083), (4137, 12460), (4361, 11820), (5340, 9653), (5516, 9345), (5910, 8722), (6230, 8274), (6895, 7476)]