82157580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15739}}^1$

素因数の和:15783

約数の個数: 72

約数和(自身を含む): 257821200

約数和(自身を除く): 175663620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 15739, 31478, 47217, 62956, 78695, 94434, 141651, 157390, 188868, 236085, 283302, 314780, 456431, 472170, 566604, 708255, 912862, 944340, 1369293, 1416510, 1825724, 2282155, 2738586, 2833020, 4107879, 4564310, 5477172, 6846465, 8215758, 9128620, 13692930, 16431516, 20539395, 27385860, 41078790, 82157580]

約数ペア:

[(1, 82157580), (2, 41078790), (3, 27385860), (4, 20539395), (5, 16431516), (6, 13692930), (9, 9128620), (10, 8215758), (12, 6846465), (15, 5477172), (18, 4564310), (20, 4107879), (29, 2833020), (30, 2738586), (36, 2282155), (45, 1825724), (58, 1416510), (60, 1369293), (87, 944340), (90, 912862), (116, 708255), (145, 566604), (174, 472170), (180, 456431), (261, 314780), (290, 283302), (348, 236085), (435, 188868), (522, 157390), (580, 141651), (870, 94434), (1044, 78695), (1305, 62956), (1740, 47217), (2610, 31478), (5220, 15739)]