72272980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2029}}^1$

素因数の和:2188

約数の個数: 48

約数和(自身を含む): 164722320

約数和(自身を除く): 92449340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1370, 1781, 2029, 2740, 3562, 4058, 7124, 8116, 8905, 10145, 17810, 20290, 26377, 35620, 40580, 52754, 105508, 131885, 263770, 277973, 527540, 555946, 1111892, 1389865, 2779730, 3613649, 5559460, 7227298, 14454596, 18068245, 36136490, 72272980]

約数ペア:

[(1, 72272980), (2, 36136490), (4, 18068245), (5, 14454596), (10, 7227298), (13, 5559460), (20, 3613649), (26, 2779730), (52, 1389865), (65, 1111892), (130, 555946), (137, 527540), (260, 277973), (274, 263770), (548, 131885), (685, 105508), (1370, 52754), (1781, 40580), (2029, 35620), (2740, 26377), (3562, 20290), (4058, 17810), (7124, 10145), (8116, 8905)]