72128180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2833}}^1$

素因数の和:2928

約数の個数: 48

約数和(自身を含む): 161878080

約数和(自身を除く): 89749900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 670, 1273, 1340, 2546, 2833, 5092, 5666, 6365, 11332, 12730, 14165, 25460, 28330, 53827, 56660, 107654, 189811, 215308, 269135, 379622, 538270, 759244, 949055, 1076540, 1898110, 3606409, 3796220, 7212818, 14425636, 18032045, 36064090, 72128180]

約数ペア:

[(1, 72128180), (2, 36064090), (4, 18032045), (5, 14425636), (10, 7212818), (19, 3796220), (20, 3606409), (38, 1898110), (67, 1076540), (76, 949055), (95, 759244), (134, 538270), (190, 379622), (268, 269135), (335, 215308), (380, 189811), (670, 107654), (1273, 56660), (1340, 53827), (2546, 28330), (2833, 25460), (5092, 14165), (5666, 12730), (6365, 11332)]