28926540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{593}}^1$

素因数の和:879

約数の個数: 72

約数和(自身を含む): 88216128

約数和(自身を除く): 59289588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 271, 542, 593, 813, 1084, 1186, 1355, 1626, 1779, 2372, 2439, 2710, 2965, 3252, 3558, 4065, 4878, 5337, 5420, 5930, 7116, 8130, 8895, 9756, 10674, 11860, 12195, 16260, 17790, 21348, 24390, 26685, 35580, 48780, 53370, 106740, 160703, 321406, 482109, 642812, 803515, 964218, 1446327, 1607030, 1928436, 2410545, 2892654, 3214060, 4821090, 5785308, 7231635, 9642180, 14463270, 28926540]

約数ペア:

[(1, 28926540), (2, 14463270), (3, 9642180), (4, 7231635), (5, 5785308), (6, 4821090), (9, 3214060), (10, 2892654), (12, 2410545), (15, 1928436), (18, 1607030), (20, 1446327), (30, 964218), (36, 803515), (45, 642812), (60, 482109), (90, 321406), (180, 160703), (271, 106740), (542, 53370), (593, 48780), (813, 35580), (1084, 26685), (1186, 24390), (1355, 21348), (1626, 17790), (1779, 16260), (2372, 12195), (2439, 11860), (2710, 10674), (2965, 9756), (3252, 8895), (3558, 8130), (4065, 7116), (4878, 5930), (5337, 5420)]