213457320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{617}}^1$

素因数の和:696

約数の個数: 144

約数和(自身を含む): 717998580

約数和(自身を除く): 504541260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 617, 620, 744, 930, 961, 1116, 1234, 1240, 1395, 1851, 1860, 1922, 2232, 2468, 2790, 2883, 3085, 3702, 3720, 3844, 4805, 4936, 5553, 5580, 5766, 6170, 7404, 7688, 8649, 9255, 9610, 11106, 11160, 11532, 12340, 14415, 14808, 17298, 18510, 19127, 19220, 22212, 23064, 24680, 27765, 28830, 34596, 37020, 38254, 38440, 43245, 44424, 55530, 57381, 57660, 69192, 74040, 76508, 86490, 95635, 111060, 114762, 115320, 153016, 172143, 172980, 191270, 222120, 229524, 286905, 344286, 345960, 382540, 459048, 573810, 592937, 688572, 765080, 860715, 1147620, 1185874, 1377144, 1721430, 1778811, 2295240, 2371748, 2964685, 3442860, 3557622, 4743496, 5336433, 5929370, 6885720, 7115244, 8894055, 10672866, 11858740, 14230488, 17788110, 21345732, 23717480, 26682165, 35576220, 42691464, 53364330, 71152440, 106728660, 213457320]

約数ペア:

[(1, 213457320), (2, 106728660), (3, 71152440), (4, 53364330), (5, 42691464), (6, 35576220), (8, 26682165), (9, 23717480), (10, 21345732), (12, 17788110), (15, 14230488), (18, 11858740), (20, 10672866), (24, 8894055), (30, 7115244), (31, 6885720), (36, 5929370), (40, 5336433), (45, 4743496), (60, 3557622), (62, 3442860), (72, 2964685), (90, 2371748), (93, 2295240), (120, 1778811), (124, 1721430), (155, 1377144), (180, 1185874), (186, 1147620), (248, 860715), (279, 765080), (310, 688572), (360, 592937), (372, 573810), (465, 459048), (558, 382540), (617, 345960), (620, 344286), (744, 286905), (930, 229524), (961, 222120), (1116, 191270), (1234, 172980), (1240, 172143), (1395, 153016), (1851, 115320), (1860, 114762), (1922, 111060), (2232, 95635), (2468, 86490), (2790, 76508), (2883, 74040), (3085, 69192), (3702, 57660), (3720, 57381), (3844, 55530), (4805, 44424), (4936, 43245), (5553, 38440), (5580, 38254), (5766, 37020), (6170, 34596), (7404, 28830), (7688, 27765), (8649, 24680), (9255, 23064), (9610, 22212), (11106, 19220), (11160, 19127), (11532, 18510), (12340, 17298), (14415, 14808)]