28153980

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{1931}}^1$

素因数の和:1958

約数の個数: 84

約数和(自身を含む): 88690392

約数和(自身を除く): 60536412

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, 1215, 1458, 1620, 1931, 2430, 2916, 3645, 3862, 4860, 5793, 7290, 7724, 9655, 11586, 14580, 17379, 19310, 23172, 28965, 34758, 38620, 52137, 57930, 69516, 86895, 104274, 115860, 156411, 173790, 208548, 260685, 312822, 347580, 469233, 521370, 625644, 782055, 938466, 1042740, 1407699, 1564110, 1876932, 2346165, 2815398, 3128220, 4692330, 5630796, 7038495, 9384660, 14076990, 28153980]

約数ペア:

[(1, 28153980), (2, 14076990), (3, 9384660), (4, 7038495), (5, 5630796), (6, 4692330), (9, 3128220), (10, 2815398), (12, 2346165), (15, 1876932), (18, 1564110), (20, 1407699), (27, 1042740), (30, 938466), (36, 782055), (45, 625644), (54, 521370), (60, 469233), (81, 347580), (90, 312822), (108, 260685), (135, 208548), (162, 173790), (180, 156411), (243, 115860), (270, 104274), (324, 86895), (405, 69516), (486, 57930), (540, 52137), (729, 38620), (810, 34758), (972, 28965), (1215, 23172), (1458, 19310), (1620, 17379), (1931, 14580), (2430, 11586), (2916, 9655), (3645, 7724), (3862, 7290), (4860, 5793)]