72748360

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{6761}}^1$

素因数の和:7041

約数の個数: 32

約数和(自身を含む): 164316600

約数和(自身を除く): 91568240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 6761, 10760, 13522, 27044, 33805, 54088, 67610, 135220, 270440, 1818709, 3637418, 7274836, 9093545, 14549672, 18187090, 36374180, 72748360]

約数ペア:

[(1, 72748360), (2, 36374180), (4, 18187090), (5, 14549672), (8, 9093545), (10, 7274836), (20, 3637418), (40, 1818709), (269, 270440), (538, 135220), (1076, 67610), (1345, 54088), (2152, 33805), (2690, 27044), (5380, 13522), (6761, 10760)]