72428180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{173}}^2$

素因数の和:377

約数の個数: 54

約数和(自身を含む): 168155358

約数和(自身を除く): 95727178

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 173, 220, 242, 346, 484, 605, 692, 865, 1210, 1730, 1903, 2420, 3460, 3806, 7612, 9515, 19030, 20933, 29929, 38060, 41866, 59858, 83732, 104665, 119716, 149645, 209330, 299290, 329219, 418660, 598580, 658438, 1316876, 1646095, 3292190, 3621409, 6584380, 7242818, 14485636, 18107045, 36214090, 72428180]

約数ペア:

[(1, 72428180), (2, 36214090), (4, 18107045), (5, 14485636), (10, 7242818), (11, 6584380), (20, 3621409), (22, 3292190), (44, 1646095), (55, 1316876), (110, 658438), (121, 598580), (173, 418660), (220, 329219), (242, 299290), (346, 209330), (484, 149645), (605, 119716), (692, 104665), (865, 83732), (1210, 59858), (1730, 41866), (1903, 38060), (2420, 29929), (3460, 20933), (3806, 19030), (7612, 9515)]