61971480

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:671

約数の個数: 160

約数和(自身を含む): 215360640

約数和(自身を除く): 153389160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 108, 120, 124, 135, 155, 162, 180, 186, 216, 248, 270, 279, 310, 324, 360, 372, 405, 465, 540, 558, 617, 620, 648, 744, 810, 837, 930, 1080, 1116, 1234, 1240, 1395, 1620, 1674, 1851, 1860, 2232, 2468, 2511, 2790, 3085, 3240, 3348, 3702, 3720, 4185, 4936, 5022, 5553, 5580, 6170, 6696, 7404, 8370, 9255, 10044, 11106, 11160, 12340, 12555, 14808, 16659, 16740, 18510, 19127, 20088, 22212, 24680, 25110, 27765, 33318, 33480, 37020, 38254, 44424, 49977, 50220, 55530, 57381, 66636, 74040, 76508, 83295, 95635, 99954, 100440, 111060, 114762, 133272, 153016, 166590, 172143, 191270, 199908, 222120, 229524, 249885, 286905, 333180, 344286, 382540, 399816, 459048, 499770, 516429, 573810, 666360, 688572, 765080, 860715, 999540, 1032858, 1147620, 1377144, 1549287, 1721430, 1999080, 2065716, 2295240, 2582145, 3098574, 3442860, 4131432, 5164290, 6197148, 6885720, 7746435, 10328580, 12394296, 15492870, 20657160, 30985740, 61971480]

約数ペア:

[(1, 61971480), (2, 30985740), (3, 20657160), (4, 15492870), (5, 12394296), (6, 10328580), (8, 7746435), (9, 6885720), (10, 6197148), (12, 5164290), (15, 4131432), (18, 3442860), (20, 3098574), (24, 2582145), (27, 2295240), (30, 2065716), (31, 1999080), (36, 1721430), (40, 1549287), (45, 1377144), (54, 1147620), (60, 1032858), (62, 999540), (72, 860715), (81, 765080), (90, 688572), (93, 666360), (108, 573810), (120, 516429), (124, 499770), (135, 459048), (155, 399816), (162, 382540), (180, 344286), (186, 333180), (216, 286905), (248, 249885), (270, 229524), (279, 222120), (310, 199908), (324, 191270), (360, 172143), (372, 166590), (405, 153016), (465, 133272), (540, 114762), (558, 111060), (617, 100440), (620, 99954), (648, 95635), (744, 83295), (810, 76508), (837, 74040), (930, 66636), (1080, 57381), (1116, 55530), (1234, 50220), (1240, 49977), (1395, 44424), (1620, 38254), (1674, 37020), (1851, 33480), (1860, 33318), (2232, 27765), (2468, 25110), (2511, 24680), (2790, 22212), (3085, 20088), (3240, 19127), (3348, 18510), (3702, 16740), (3720, 16659), (4185, 14808), (4936, 12555), (5022, 12340), (5553, 11160), (5580, 11106), (6170, 10044), (6696, 9255), (7404, 8370)]