28217520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{39191}}^1$

素因数の和:39210

約数の個数: 60

約数和(自身を含む): 94766256

約数和(自身を除く): 66548736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 39191, 78382, 117573, 156764, 195955, 235146, 313528, 352719, 391910, 470292, 587865, 627056, 705438, 783820, 940584, 1175730, 1410876, 1567640, 1763595, 1881168, 2351460, 2821752, 3135280, 3527190, 4702920, 5643504, 7054380, 9405840, 14108760, 28217520]

約数ペア:

[(1, 28217520), (2, 14108760), (3, 9405840), (4, 7054380), (5, 5643504), (6, 4702920), (8, 3527190), (9, 3135280), (10, 2821752), (12, 2351460), (15, 1881168), (16, 1763595), (18, 1567640), (20, 1410876), (24, 1175730), (30, 940584), (36, 783820), (40, 705438), (45, 627056), (48, 587865), (60, 470292), (72, 391910), (80, 352719), (90, 313528), (120, 235146), (144, 195955), (180, 156764), (240, 117573), (360, 78382), (720, 39191)]