20090430

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1459}}^1$

素因数の和:1495

約数の個数: 80

約数和(自身を含む): 57237840

約数和(自身を除く): 37147410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 81, 85, 90, 102, 135, 153, 162, 170, 255, 270, 306, 405, 459, 510, 765, 810, 918, 1377, 1459, 1530, 2295, 2754, 2918, 4377, 4590, 6885, 7295, 8754, 13131, 13770, 14590, 21885, 24803, 26262, 39393, 43770, 49606, 65655, 74409, 78786, 118179, 124015, 131310, 148818, 196965, 223227, 236358, 248030, 372045, 393930, 446454, 590895, 669681, 744090, 1116135, 1181790, 1339362, 2009043, 2232270, 3348405, 4018086, 6696810, 10045215, 20090430]

約数ペア:

[(1, 20090430), (2, 10045215), (3, 6696810), (5, 4018086), (6, 3348405), (9, 2232270), (10, 2009043), (15, 1339362), (17, 1181790), (18, 1116135), (27, 744090), (30, 669681), (34, 590895), (45, 446454), (51, 393930), (54, 372045), (81, 248030), (85, 236358), (90, 223227), (102, 196965), (135, 148818), (153, 131310), (162, 124015), (170, 118179), (255, 78786), (270, 74409), (306, 65655), (405, 49606), (459, 43770), (510, 39393), (765, 26262), (810, 24803), (918, 21885), (1377, 14590), (1459, 13770), (1530, 13131), (2295, 8754), (2754, 7295), (2918, 6885), (4377, 4590)]