79998840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{24691}}^1$

素因数の和:24714

約数の個数: 80

約数和(自身を含む): 268895880

約数和(自身を除く): 188897040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 24691, 49382, 74073, 98764, 123455, 148146, 197528, 222219, 246910, 296292, 370365, 444438, 493820, 592584, 666657, 740730, 888876, 987640, 1111095, 1333314, 1481460, 1777752, 1999971, 2222190, 2666628, 2962920, 3333285, 3999942, 4444380, 5333256, 6666570, 7999884, 8888760, 9999855, 13333140, 15999768, 19999710, 26666280, 39999420, 79998840]

約数ペア:

[(1, 79998840), (2, 39999420), (3, 26666280), (4, 19999710), (5, 15999768), (6, 13333140), (8, 9999855), (9, 8888760), (10, 7999884), (12, 6666570), (15, 5333256), (18, 4444380), (20, 3999942), (24, 3333285), (27, 2962920), (30, 2666628), (36, 2222190), (40, 1999971), (45, 1777752), (54, 1481460), (60, 1333314), (72, 1111095), (81, 987640), (90, 888876), (108, 740730), (120, 666657), (135, 592584), (162, 493820), (180, 444438), (216, 370365), (270, 296292), (324, 246910), (360, 222219), (405, 197528), (540, 148146), (648, 123455), (810, 98764), (1080, 74073), (1620, 49382), (3240, 24691)]