16781580

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{1151}}^1$

素因数の和:1178

約数の個数: 84

約数和(自身を含む): 52883712

約数和(自身を除く): 36102132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1151, 1215, 1458, 1620, 2302, 2430, 2916, 3453, 3645, 4604, 4860, 5755, 6906, 7290, 10359, 11510, 13812, 14580, 17265, 20718, 23020, 31077, 34530, 41436, 51795, 62154, 69060, 93231, 103590, 124308, 155385, 186462, 207180, 279693, 310770, 372924, 466155, 559386, 621540, 839079, 932310, 1118772, 1398465, 1678158, 1864620, 2796930, 3356316, 4195395, 5593860, 8390790, 16781580]

約数ペア:

[(1, 16781580), (2, 8390790), (3, 5593860), (4, 4195395), (5, 3356316), (6, 2796930), (9, 1864620), (10, 1678158), (12, 1398465), (15, 1118772), (18, 932310), (20, 839079), (27, 621540), (30, 559386), (36, 466155), (45, 372924), (54, 310770), (60, 279693), (81, 207180), (90, 186462), (108, 155385), (135, 124308), (162, 103590), (180, 93231), (243, 69060), (270, 62154), (324, 51795), (405, 41436), (486, 34530), (540, 31077), (729, 23020), (810, 20718), (972, 17265), (1151, 14580), (1215, 13812), (1458, 11510), (1620, 10359), (2302, 7290), (2430, 6906), (2916, 5755), (3453, 4860), (3645, 4604)]