30985740

素因数分解:

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

素因数の和:669

約数の個数: 120

約数和(自身を含む): 100501632

約数和(自身を除く): 69515892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 617, 620, 810, 837, 930, 1116, 1234, 1395, 1620, 1674, 1851, 1860, 2468, 2511, 2790, 3085, 3348, 3702, 4185, 5022, 5553, 5580, 6170, 7404, 8370, 9255, 10044, 11106, 12340, 12555, 16659, 16740, 18510, 19127, 22212, 25110, 27765, 33318, 37020, 38254, 49977, 50220, 55530, 57381, 66636, 76508, 83295, 95635, 99954, 111060, 114762, 166590, 172143, 191270, 199908, 229524, 249885, 286905, 333180, 344286, 382540, 499770, 516429, 573810, 688572, 860715, 999540, 1032858, 1147620, 1549287, 1721430, 2065716, 2582145, 3098574, 3442860, 5164290, 6197148, 7746435, 10328580, 15492870, 30985740]

約数ペア:

[(1, 30985740), (2, 15492870), (3, 10328580), (4, 7746435), (5, 6197148), (6, 5164290), (9, 3442860), (10, 3098574), (12, 2582145), (15, 2065716), (18, 1721430), (20, 1549287), (27, 1147620), (30, 1032858), (31, 999540), (36, 860715), (45, 688572), (54, 573810), (60, 516429), (62, 499770), (81, 382540), (90, 344286), (93, 333180), (108, 286905), (124, 249885), (135, 229524), (155, 199908), (162, 191270), (180, 172143), (186, 166590), (270, 114762), (279, 111060), (310, 99954), (324, 95635), (372, 83295), (405, 76508), (465, 66636), (540, 57381), (558, 55530), (617, 50220), (620, 49977), (810, 38254), (837, 37020), (930, 33318), (1116, 27765), (1234, 25110), (1395, 22212), (1620, 19127), (1674, 18510), (1851, 16740), (1860, 16659), (2468, 12555), (2511, 12340), (2790, 11106), (3085, 10044), (3348, 9255), (3702, 8370), (4185, 7404), (5022, 6170), (5553, 5580)]